A letter from Ralph G. Stanton to Donald Cowan regarding graduate courses available at the University of Waterloo in the Faculty of Mathematics in Fall 1960. In the letter, Stanton requests that Cowan review a list of course descriptions (not included in this file) and select which he would be most interested in as required for a Masters degree. File also includes Donald Cowan's reply to Stanton outlining the five courses that held the most interest for him.

A report titled, "CANDU reactor transfer functions" by Donald Cowan. The report is fifty-three pages and contains the following imprint: Atomic Energy of Canada Limited, Nuclear Power Plant Division, TDSI - 27, Toronto, Ontario. According to the introduction, the "context of this report is the mathematical derivation of these transfer functions and the presentation of the open-loop amplitude and phase response for different reactor power levels." In 1960, Donald Cowan worked as a Research Assistant at Atomic Energy of Canada Limited. The report is stamped: "not for publication."

A typed manuscript titled, "An always convergent method for determining the zeros of polynomials" by Gerald Berman and Donald Cowan. The manuscript is twenty-four pages. This paper was presented at the Fifth National Conference of the Computer Society of Canada in May 1966.

A typed manuscript (final draft, photocopy) titled, "Sequential optimization methods for determining the zeros of polynomials" by Gerald Berman and Donald D. Cowan. The manuscript is twenty-five pages. This paper was presented at the Fifth National Conference of the Computer Society of Canada in May 1966.

Copies of the University of Waterloo quarterly and Alumni courier that include articles related to the establishment of the Faculty of Mathematics, the Computer Centre, WATFOR, and awards won by students in mathematics. Includes

1. University of Waterloo quarterly (v.7, n.2) June 1966.

2. University of Waterloo quarterly (v.7, n.2) November 1966.

3. University of Waterloo quarterly (v.8, n.1) April 19, 1967.

4. Unidentified publication, pages 3-6. Includes article, "Five new buildings under construction." These pages are possibly from the University of Waterloo quarterly or Alumni Courier. One of the buildings featured in the article is the Mathematics and Computer Building.

5. Unidentified publication, pages 3-6. Includes article, "Mathematics becomes faculty." These pages are possibly from the University of Waterloo quarterly or Alumni courier.

A copy of The Coupler, (v.42, n.9). An announcement about Donald Cowan's appointment as Chairman of the Applied Analysis and Computer Science Department at the University of Waterloo is included on page 4.

Slides featuring photographs possibly of Computer Science Day at the University of Waterloo in 1967. Includes images of Dana Porter Library, the Physics Building, and unidentified individuals using computer equipment.

Slides featuring photographs of the IBM 1620 Model I, Monroe calculator, typewriter, and an unidentified computer.

A memorandum to Donald Cowan from K.D. Fearnall regarding the establishment in the general ledger of an account for the D.D. Cowan Fellowship.

Slides featuring photographs of the Red Room and other computer labs in the Computing Centre at the University of Waterloo.

A typed manuscript about the WATFOR project and an original copy of the report titled, "/360 WATFOR compiler" by Donald Cowan that includes handwritten corrections by the author.

Slides featuring photographs of the Computing Centre at the University of Waterloo including the Red Room. Some of the slides also feature photographs of a lecture hall, classrooms, and several unidentified people working with computer equipment.

A copy of a report titled, "NRC negotiated development grant committee, review of proposal to support research in computer systems." The report was prepared by the National Research Council Committee and presented at a meeting on Wednesday, January 29, 1969. Also includes an agenda for the meeting.

Slides featuring text, diagrams and illustrations that were used during a presentation on new equipment and techniques at the Annual Computing Centre meeting in 1969.

Slides featuring photographs of the Computing Centre at the University of Waterloo including the Red Room.

Two booklets published by the Faculty of Mathematics at the University of Waterloo in 1968 and 1969. The booklets provide an overview of the history of the faculty, departments within the faculty, careers in mathematics, programmes in mathematics at Waterloo, the co-operative mathematics programme, the Mathematics and Computer Building, student information, elective courses, and general information about the history of the University. These booklets were likely distributed to prospective students.

Two original typed copies of a manuscript titled, "The allocation and scheduling of computer resources" by Donald Cowan and James Wesley Graham. The manuscript is twenty-four pages.

Slides featuring images of text outlining merging, grouping and different types of sorting that were likely used during a lecture. Two slides feature photographs of IBM computer equipment, possibly the IBM 7040.

Slides featuring photographs of the Computing Centre at the University of Waterloo including the Red Room. Includes images of people working with computer equipment.

Slides featuring photographs of the Computing Centre at the University of Waterloo including the Red Room. Some of the slides also feature photographs of a lecture hall, a campus sign, the Mathematics and Computer Building, and several unidentified people working with computer equipment.

Slides featuring images of text and two maps used during a presentation likely titled, "Computing in Canada." The presentation appears to include an explanation of educational software and computer programs at secondary schools, community colleges, universities, and the University of Waterloo.

Slides featuring photographs of staff and students at the University of Waterloo working with computers likely in the Computing Centre. Several of the images are likely reproductions from the Kitchener-Waterloo Record Photographic Negative Collection or Graphic Services fonds.

Material related to the Conference of Department Chairmen on the Implementation of Computer Science Education held at the University of Kansas between May 25-26, 1970. Donald Cowan was invited to attend the conference but declined due to a scheduling conflict. Professor J.D. Lawson went in Cowan's place. However, Donald Cowan did provide input into the conference plans. This file includes related correspondence, notes, conference planning forms, a tentative conference schedule and list of proposed topics.

A copy of an article titled, "Design characteristics of the WATFOR compiler," by Donald Cowan and James Wesley Graham. The article was published in SIGPLAN Notices, volume 5 (number 7), pages 25-36.

Two original typed copies of a manuscript titled, "Computer education in Ontario secondary schools" by G.C. Bonham and Donald Cowan. One copy of the manuscript is thirty-three pages and the other copy is twenty-eight pages. The paper was published in the Proceedings of the first International Federation for Information Processing (IFIP) World Conference on Computer Education held in Amsterdam, The Netherlands between August 24-28, 1970.

A typed draft manuscript titled, "Economics of integration in communications and data processing" by Donald Cowan and L. Waverman. The manuscript is sixty-three pages. Also includes a nine page typed script or prompt for a presentation of the same name. This paper was later published in Policy Considerations with Respect to Computer Utilities, Tele Commission Study, Department of Communications, Government of Canada, April 1971.

Three copies of a typed draft manuscript titled, "Economics of integration in communications and data processing" by Donald Cowan and L. Waverman. Also includes notes, and related items. This paper was later published in Policy Considerations with Respect to Computer Utilities, Tele Commission Study, Department of Communications, Government of Canada, April 1971.

Two copies of an article titled, "Note on a "square" functional equation" by Donald Cowan and Ralph G. Stanton. The article was published in SIAM Review, volume 12 (number 2), pages 277-279.

Two copies of an article titled, "Some results on path numbers" by Donald Cowan, Ralph G. Stanton, and L.O. James. One copy is a final draft and the other is an offprint. The article was published in the Proceedings of the First Louisiana Conference on Combinatorics, Graph Theory, and Computing, 1970, pages 112-135.

A copy of a proposal titled, "Negotiated development grant proposal, research in computational tools for mathematics" submitted by W.F. Forbes, Dean, Faculty of Mathematics, and Donald Cowan, Chairman, Department of Applied Analysis and Computer Science, to the National Research Council of Canada. File also includes notes, and a related item of correspondence to Dr. H.E. Petch (President pro tem, University of Waterloo) from B.A. Gingras (Director, National Research Council of Canada).

A copy of an article titled, "A problem in coding theory" by Donald Cowan, L.O. James and Ralph G. Stanton. The article was published in the Proceedings of the First Louisiana Conference on Combinatorics, Graph Theory and Computing, March 1970, pages 167-180.

Slides featuring images of text and diagrams used during a presentation about the computer science program at the University of Waterloo. Some of the slides feature photographs of the Mathematics and Computer Building (one shows the pink tie), a campus sign, and people working at computer stations.

Correspondence sent to Donald Cowan by representatives at the University of Waterloo regarding his salary adjustments, research stipends, benefits, academic work terms, appointment as Chairman of the Department of Applied Analysis and Computer Science, and tenure.

Material related to the development of the Canadian Universities Computer Network (CANUNET). Includes position papers, correspondence, a proposed list of personnel available for CANUNET, a list of experts at organizations that have expressed interest in CANUNET, notes, proposals, an outline of the benefits of CANUNET, draft copies of an agreement between the Canadian government and the University of Quebec to carry out a study to determine the feasibility of developing a network of computers by Canadian universities, and related items.

A copy of an article titled, "Some results on tree numbers" by Donald Cowan, Ralph G. Stanton and L.O. James. The article was published in the Proceedings of the Second Louisiana Conference on Combinatorics, Graph Theory and Computing, March 8-11, 1971, pages 317-330.

A high school brochure published by the Faculty of Mathematics at the University of Waterloo in 1971. The brochure provides information about the university, the Faculty of Mathematics, departments and programmes in the faculty, careers in mathematics, the co-operative plan, and student information. This brochure was likely distributed to prospective students in high school.

Research materials created and accumulated by Donald Cowan related to data directed design. Includes diagrams, notes and computer printouts pertaining to sort programs. Also includes a copy of the article titled, "Sorting" by William A. Martin published in 1971.

Material related to the development of the Canadian Universities Computer Network (CANUNET). Includes a position paper, correspondence, articles, notes, drafts of the submission made to J.B. Reid, University of Québec, on a master plan for CANUNET written by Donald Cowan, minutes of the first CANUNET meeting held on August 11, 1971, and related items.

Material created or accumulated by Donald Cowan during his participation in the National Research Council of Canada's Grant Selection Committee for Computing and Information Science. Includes a list of major equipment requests, a schedule of meetings, a list of grant selection committees and members, correspondence, a list of conference grants, notes, a note regarding computing costs, a copy of a page from the University of Waterloo grant subsidiary ledger, copies of National Research Council applications, memoranda, and summaries of requested grants.

Material related to the general operations and business of the Department of Applied Analysis and Computer Science at the University of Waterloo created or accumulated by Donald Cowan while he served as the Department Chairman. Includes records related to various topics including staffing, course planning, job vacancies, finances, funding, examinations, promotions, equipment, research projects, students, grants, and other items.

Material related to the development of the Canadian Universities Computer Network (CANUNET). Includes correspondence, particularly to various CANUNET committees, reports, a survey of universities by the Canadian Computer/Communications Task Force, a report on the design concept for CANUNET by Joseph B. Reid with comments from the University of Waterloo, notes, and related items.

Material related to the development of the Canadian Universities Computer Network (CANUNET). Includes notes, correspondence often connected to the Utilization Subcommittee of the CANUNET Project, and a progress report on the CANUNET traffic study by T.A. Croil Associates. T.A. Croil Associates was retained to carry out a detailed study of potential network traffic and the file includes the survey used to gather data and related correspondence.

Material related to a proposal with the Canadian International Development Agency to support a twinning agreement between the Computer Science Department of the Pontifical Catholic University (PUC) of Rio de Janeiro, Brazil and the Computer Science Departments of the Universities of Waterloo and Toronto. Includes correspondence, draft copies of the proposal with notes and corrections, notes, two copies of a report titled, "The application of computer technology for development: report of the Secretary-General" published by the United Nations Economic and Social Council on May 20, 1970, and related items.

Material created or accumulated by Donald Cowan during his participation in the National Research Council of Canada's Grant Selection Committee for Computing and Information Science. Includes correspondence, memoranda, an agenda, and lists of approved grants.

Material related to the general operations and business of the Department of Applied Analysis and Computer Science at the University of Waterloo created or accumulated by Donald Cowan while he served as the Department Chairman. Includes records related to various topics including grants, job appointments, conferences, meetings, the sharing of papers and texts between institutions, and other items.

Correspondence sent and received by Donald Cowan regarding letters of recommendation as well as confirmations of enrolment and coursework for students.

Records related to the activities of several academic units at the University of Waterloo including the Department of Pure Mathematics, the Department of Applied Analysis and Computer Science and the Faculty of Mathematics that were sent to Donald Cowan. Includes four memoranda, one letter, minutes of the Computer Science Committee from September 8, 1972, a Faculty of Mathematics Council agenda, and two seminar abstracts.

Seminar notices, memoranda, and programmes documenting seminars and special events at the University of Waterloo that were accumulated by Donald Cowan.

Material created or accumulated by Donald Cowan during his participation in the National Research Council of Canada's Grant Selection Committee for Computing and Information Science. Includes correspondence, grant committee records, a schedule of meetings, an application for an operating grant, and applications for grants from the National Research Council of Canada.

A typed manuscript titled, "The generalized Petersen graph" written by V.G. Cerf, D.D. Cowan, R.C. Mullin, and R.G. Stanton in June 1973.

Curriculum vitae of PhD students and graduates. The resumes presumably belonged to applicants for teaching positions in the Department of Applied Analysis and Computer Science at the University of Waterloo.

Research materials created and accumulated by Donald Cowan related to graphs. Includes notes on matrix diagrams, a note titled, "some thoughts on heuristics for drawing 3-valent graphs," a note on attempts to construct graphs using Stanton's proposal, computer printouts of edge matrix, distance matrix, added vertex - edge correspondence, delta matrix, and matching pairs of new vertices.

A typed manuscript titled, "The growth of network cost as a function of network size" by Vinton G. Cerf and Donald Cowan. The manuscript is fifteen pages. Also includes a second typed manuscript of the same title but the listed authors are V.G. Cerf, D.D. Cowan, R.C. Mullin, and R.G. Stanton. This manuscript is twenty-one pages. In addition, the file contains handwritten notes and correspondence from Ralph Stanton that may have been used to help create the manuscripts mentioned above.

A report titled, "Computer networks and generalized Moore graphs," by Donald Cowan, V.G. Cerf, R.C. Mullin, R.G. Stanton. This report was published as External Report 15 by the Computer Communications Network Group (CCNG) at the University of Waterloo. The report was also published in an an offprint from Proceedings of the Third Manitoba Conference on Numerical Mathematics, October 3-6, 1973, pages 379-398.

Research materials created and accumulated by Donald Cowan related to automorphisms. Includes computer printouts, diagrams of graphs, and notes. Also includes an undated letter to Donald Cowan from Ralph Stanton, Professor, University of Manitoba, regarding a note from Derrick Lehmer with a mathematical equation. The items in this file likely pertain to a paper by Donald Cowan titled, "The growth of network cost as a function of network size."

Materials created and accumulated by Donald Cowan related to network research. Includes diagrams, notes, copies of articles, and computer printouts. The contents of this file were originally housed in a binder divided by the tabs: Program, Papers, Network Cost, Tribinary, and Conjectures. Also includes a copy of Electronics & Communications (April 1971).

A manual titled, "File processing with COBOL/WATBOL: part 1, by Donald Cowan, R.H. Cooper, Paul H. Dirksen, and James Wesley Graham. According to the introduction "the purpose of this text was to introduce some of the most common file-processing techniques, and to illustrate their implementation using the COBOL language." The manual is printed in two parts. Part 1 introduces COBOL-oriented concepts and is one hundred and twenty-two pages.

A manual titled, "File processing with COBOL/WATBOL: part 2" by Donald Cowan, R.H. Cooper, Paul H. Dirksen, and James Wesley Graham. According to the introduction "the purpose of this text was to introduce some of the most common file-processing techniques, and to illustrate their implementation using the COBOL language." The manual is printed in two parts. Part 2 covers in detail the applications-oriented subjects such as sorting, file maintenance and report generation. Part 2 is one hundred and forty-two pages.

Three copies of Donald Cowan's curriculum vitae (typed originals).

A copy of an article titled, "Minimal sequences with permutation subsequences" by Donald Cowan, Ralph G. Stanton and J.A. Bates. The article was published in the Congressus Numerantium VIII Proceedings of the Fourth Southeastern Conference on Combinatorics, Graph Theory, and Computing March 5-8, 1973, pages 151-162.

Slides featuring images of text and diagrams that were used during a presentation on WATVD. Some of the slides feature photographs of computer equipment.

Biographical sketches, curriculum vitae, a personal data form, and a resume of activities prepared by Donald Cowan.

Slides featuring photographs of the Computing Centre at the University of Waterloo including the Red Room. One of the slides also features a photograph of computer equipment.

Handwritten notes by Donald Cowan related to generalized Moore graphs. These notes were created following a discussion Donald Cowan had with E.F. Moore at the University of Wisconsin on April 5, 1974.

A typed manuscript, "Methods for the visual display of linear graphs : a discussion" by Donald Cowan. The manuscript is twelve pages.

A typed manuscript titled, "The growth of network cost as a function of network size," by V.G. Cerf, D.D. Cowan, R.C. Mullin, and R.G. Stanton. The manuscript is thirty-seven pages.

A typed manuscript titled, "A partial census of trivalent generalized Moore graphs" by V.G. Cerf, Donald Cowan, R.C. Mullin, and R.G. Stanton. The manuscript is one hundred and four pages. Also includes a photocopy of the same article, possibly from the source of publication. This photocopy is twenty-seven pages.

A typed copy of a presentation titled, "Views on the IIASA programme in computer communications and a review of some Canadian projects" by Donald Cowan, A.R. Kaye and J.L. Hanna delivered at the International Institute for Applied Systems Analysis in Schloss Laxenburg, Austria between October 21-25, 1974.

Two copies of a typed manuscript titled, "Counting algorithms for connected labelled graphs" by Donald Cowan, R.C. Mullin, and Ralph G. Stanton. The manuscript is twelve pages. This paper was presented at the sixth Southeastern Conference on Combinatorics, Graph Theory, and Computing held at Florida Atlantic University in Boca Raton, Florida between February 17-20, 1975. This paper was subsequently published in the Proceedings of the sixth Southeastern Conference on Combinatorics, Graph Theory, and Computing, pages 219-231. Also includes correspondence related to the submission of the paper to the conference.

Research materials created and accumulated by Donald Cowan related to graphs and network research. Includes notes and diagrams as well as one letter and attachment from Frank Allaire, University of Manitoba, to Donald Cowan regarding a project on the maximal number of disjoint circuits of a graph. Also contains copies of the following articles and papers:

• 1. Tutte, W.T. (January 1960). A non-hamilton graph. Canadian Math Bulletin, volume 3, (number 1), pages 1-5.

• 2. Hoffman, A.J. and R.R. Singleton. (November 1960). On Moore graphics with diameters 2 and 3. IBM Journal.

• 3. Liu, C.L. (January 1, 1972). Topics in combinatorial mathematics. Mathematical Association of America.

• 4. Van Voorhis, David C. (1972). Toward a lower bound for sorting networks. Published in R.E. Miller and J.W. Thatcher, eds, The Complexity of Computer Computations, pages 119-129.

• 5. Cerf, V.G., D.D. Cowan, R.C. Mullin & R.G. Stanton. (June 1973) The generalized Petersen graph. 93 pages.

• 6. Cerf, V.G., D.D. Cowan, R.C. Mullin & R.G. Stanton. (August 1973). Construction of the generalized Moore graph on 20 vertices. 12 pages.

• 7. Cerf, V.G., D.D. Cowan, R.C. Mullin & R.G. Stanton. (1975). Topological design considerations in computer communications networks. 18 pages.

• 8. James, L.O. (Undated). A combinatorial proof that the Moore (7, 2) graph is unique. 8 pages.

Draft copies and notes related to various papers Donald Cowan was in the progressing writing with other authors. Includes material related to the following papers:

• 1. Cerf, V.G., D.D. Cowan, R.C. Mullin, and R.G. Stanton. The generalized (Tutte) Petersen graph." 100 pages (corrected draft, photocopy).

• 2. Cerf, V.G., D.D. Cowan, R.C. Mullin, and R.G. Stanton. (1975). Topological design considerations in computer communication networks. 23 pages (draft, photocopy).

• 3. Cerf, V.G., D.D. Cowan, R.C. Mullin, and R.G. Stanton. The growth of network cost as a function of network size. 71 pages (corrected draft, photocopy).

Copies of three manuscripts that were presented at the 9th Canadian DECUS Symposium in Toronto, Ontario in January 1976. Includes:

• 1. Cowan, D.D., P.H. Dirksen, J.W. Graham and J.W. Welch. Development of educational software using the DEC PDP-11. 17 pages.

• 2. Cowan, D.D., Jack Schueler and J.W. Welch. Debugging aids for the PDP-11. 5 pages.

Three copies of an article titled, "Batch compilers for student programs on the PDP-11," by Donald Cowan, P.H. Dirksen, J.W. Graham, J.W. Welch, and T. Wilkinson. This article was published in the Proceedings of the Digital Equipment Computer Users Society, May 1976, pages 919-921.

Four press clippings related to Donald Cowan, the University of Waterloo Math Society, the Department of Computer Science at the University of Waterloo, and the Data Processing Management Association. The press clippings were clipped from several newspapers including the Kitchener-Waterloo Record, Toronto Daily Star, and North Bay Nugget.

A copy of an article titled, "The efficient representation of inverted lists," by Donald Cowan, James Wesley Graham, and James W. Welch. The article was published in Congressus Numerantium 17, Proceedings of the Seventh Southeastern Conference on Combinatorics, Graph Theory, and Computing, February 9-12, 1976, pages 257-272.

Two copies of a report titled, "On the concept of modules in programming systems" by Donald Cowan as well as C.J. Lucena and A. von Staa (Departamento de Informática, Pontifícia Universidade Católica, Rio de Janeiro, Brazil). The report was published by the Faculty of Mathematics at the University of Waterloo as Research Report CS-76-05 in January 1976. The report is thirty-nine pages.

A publication titled, "Solutions to the problems in : an introduction to COBOL with WATBOL" by Donald Cowan, J.A. Derosie, V.J. Watts, and T.A. Wilkinson. The publication is one hundred and sixteen pages.

A copy of an article titled, "Some unique extremal graphs" by Donald Cowan, V.G. Cerf, R.C. Mullin, and Ralph G. Stanton. The article was published in Ars Combinatoria, volume 1, June 1976, pages 119-157.

Material related to Donald Cowan's professional activities that may have been gathered to prepare a curriculum vitae. Includes documents related to a sabbatical leave request, a letter of appointment to the rank of professor, an outline of current research interests, and correspondence related to publications, committee work and job prospects. Also includes a copy of Donald Cowan's curriculum vitae.

Two typed copies of a manuscript titled, "A discussion of the concept of modules in programming systems" by Donald Cowan as well as C.J. Lucena and A. von Staa, Departamento de Informática, Pontifícia Universidade Católica, Rio de Janeiro, Brazil. Both copies (original and photocopy) of the manuscript are twelve pages.

Research materials created and accumulated by Donald Cowan related to Ramsey theory. Includes published papers, articles, conference papers and copies of unpublished papers relating to Ramsey theory and in particular, Ramsey theory for graphs. Items include:

• 1. Harary, Frank. (July 31, 1970). Covering and packaging in graphs, I. Annals of The New York Academy of Sciences 175, pages 198-205.

• 2. Wilkov, R.S. (December 11, 1970). Reliability considerations in computer network design. Mathematical Sciences Department, IBM, Thomas J. Watson Research Center (RC 3180).

• 3. Chvátal, Václav and Frank Harary. (1972). Generalized Ramsey theory for graphs, III. Small off-diagonal numbers. Pacific Journal of Mathematics, volume 41, (number 2), pages 335-345.

• 4. Chvátal, Václav and Frank Harary. (April 1972). Generalized Ramsey theory for graphs, II. Small diagonal numbers. Proceedings of the American Mathematical Society, volume 32, (number 2), pages 389-394.

• 5. Chvátal, Vaclav and Frank Harary. (May 1972). Generalized Ramsey theory for graphs. Bulletin of the American Mathematical Society, volume 78, (number 3), pages 423-426.

• 6. Chvátal, V. and F. Harary. (1973). Generalized Ramsey theory for graphs, I. Diagonal numbers. Periodica Mathematica Hungarica, volume 3 (number 1-2), pages 115-124.

• 7. Harary, Frank. (June 19, 1973). A survey of generalized Ramsey theory. 12 pages.

• 8. Hoffman, A.J. (January 18, 1974). Eigenvalue of graphs. Mathematical Sciences Department, IBM Watson Research Center (RC 4688).

• 9. Hoffman, Alan J. and John Howard Smith. (May 20, 1974). On the spectral radii of topologically equivalent graphs. Mathematical Sciences Department, IBM Watson Research Center (RC 4851).

• 10. Hoffman, A.J. (June 13, 1974). Applications of Ramsey style theorems to eigenvalue of graphs. Mathematical Sciences Department, IBM Watson Research Center (RC 4882).

• 11. Thulasiraman, K and P. Karivaratharajan. (December 1974). K-sets of a graph and vulnerability of communication nets. The Matrix and Tensor Quarterly, pages 63-66.

• 12. Harary, Frank. (1975). The foremost open problems in generalized Ramsey theory. Proceedings of the Fifth British Combinatorial Conference, pages 269-282.

• 13. Harary, Frank and Pavol Hell. (1975). Generalized Ramsey theory for graphs V. The Ramsey number of a digraph. Bulletin of the London Mathematical Society, volume 6, pages 75-182.

• 14. Pearce. A.R. (1975). Bibliography on algorithms for shortest path, shortest spanning tree, and related circuit routing problems (1956-1974). Networks, volume 5, pages 129-149.

• 15. Thulasiraman, K and P. Karivaratharajan. (March 1975). K-sets of a graph and vulnerability of communication nets. The Matrix and Tensor Quarterly, pages 77-86.

• 16. Hoffman, A.J. (March 15, 1976). On signed graphs and gramians. Mathematical Sciences Department, IBM Thomas J. Watson Research Center (RC 5905).

• 17. Duke, Richard A. and Frank Harary. (1976). Generalized Ramsey theory VI: Ramsey numbers for small plexes. The Journal of The Australian Mathematical Society, volume 4, number 12, pages 400-410.

• 18. Burr, Stefan A. and Frank Harary. (1977). The Ramsey number of many stars and one triangle. ARS Combinatoria, volume 4, pages 119-122.

• 19. Harary, Frank. Generalized Ramsey theory for graphs XI: which numbers are graphical? 13 pages.

• 20. Harary, Frank. Generalized Ramsey theory XII: achievement and avoidance games on finite geometries and configurations. 10 pages.

• 21. Harary, Frank and Pavol Hell. Corrections: generalized Ramsey theory for graphs V. L.M.S. Bulletin, 1 page.

A manual titled, "Instructor's manual to accompany the textbook: an introduction to COBOL with WATBOL - a structured programming approach" by Donald Cowan and B. J. Rowe. The text is one hundred and sixteen pages.

Correspondence sent and received by Donald Cowan pertaining to various topics including conferences, textbooks, papers, articles, equipment, sabbatical leave, and benefits. Also contains a report titled, "Some options for a universities computer network," notes, and ephemera.

Slides featuring images of text and illustrations used during a presentation about the Waterloo Interactive Debugging Job Entry Terminal (WIDJET) system.

Slides featuring images of text and diagrams used during a presentation about the Computing Centre and educational software at the University of Waterloo.

Material related to National Research Council grants awarded to Donald Cowan between 1976 and 1978. Includes dot matrix printouts of financial statements for research funds awarded to Donald Cowan, a notification of decision, and a memorandum regarding National Research Council announcement of grants and increased stipends.

Dot matrix printouts of financial statements for grants received by Donald Cowan from the National Research Council of Canada. File also includes a copy of the publication, "Awards to university staff 1975" created by the National Research Council of Canada, a blank application for a conference grant, copies of University of Waterloo grant subsidiary ledger pages, a bilingual NATO Research Grants Programme pamphlet (1974), machine shop service forms, and related correspondence.

Two typed manuscripts titled, "Some thoughts on the construction of programs - a data-directed approach" by Donald Cowan and Carlos J. P. Lucena, Departamento de Informática, Pontifícia Universidade Católica, Rio de Janeiro, Brazil. One manuscript is a draft (photocopy) with annotations and is seventeen pages. The second manuscript is a master copy (photocopy) and is five pages.

A copy of an article titled, "A data-directed approach to program construction," by Donald Cowan and C.J.P. Lucena (Departamento de Informática, Pontifícia Universidade Católica, Rio de Janeiro, Brazil). This cover page of the article notes that the research was supported by Canadian National Research Grant A2655. The article appears to be published by the Faculty of Mathematics, University of Waterloo.

A report titled, "The development proposal - the first step in software system construction," by Donald Cowan and A.Von Staa (Departamento de Informática, Pontifícia Universidade Católica, Rio de Janeiro, Brazil). The report was published by the Faculty of Mathematics at the University of Waterloo as Research Report CS-78-31 in June 1978. The cover page of the report includes a note that the research was supported in part by Canadian National Research Council Grant A2655. The report is seventy-six pages.

Slides featuring photographs of the University of Waterloo including images of Dana Porter Library, the greenhouses, Grad House, the Mathematics and Computer Building, the Red Room and Computing Centre. Some slides also include photographs of staff and students using computer equipment. It is possible that these slides were used during a presentation about the University campus and computing facilities.

A copy of Digital News (v.1, n.4) published in April 1979. The issue's feature report titled, "Waterloo package for education - WATPAC/E," by K. Ian McPhee and Terry A. Wilkinson may have been shared with students as part of the undergraduate course, CS 330: Computer applications in business." The article appeared on pages 1-3 of the issue.

Slides featuring photographs primarily of the Computing Centre at the University of Waterloo including the Red Room. Many of the images include unidentified individuals.

Research materials created and accumulated by Donald Cowan related to data directed design. Includes overhead transparencies and notes. Also contains a copy of the article titled, "A data-directed approach to program construction, by Donald Cowan, James Wesley Graham and J.W. Welch as well as a copy of the article titled, "A formalization and explication of the Michael Jackson Method of program design" by J.W. Hughes.

Six typed manuscripts of unpublished papers regarding the construction of generalized Moore graphs by Donald Cowan, V.G. Cerf, R.C. Mullin, and Ralph G. Stanton including:

• 1. Cerf, V.G., D.D. Cowan, R.C. Mullin and R.G. Stanton. Construction of the Generalized Moore Graph on 14 vertices. 16 pages.

• 2. Cerf, V.G., D.D. Cowan, R.C. Mullin and R.G. Stanton. Construction of the Generalized Moore Graph on 16 vertices. 21 pages.

• 3. Cerf, V.G., D.D. Cowan, R.C. Mullin and R.G. Stanton. Construction of the Generalized Moore Graph on 18 vertices. 28 pages.

• 4. Cerf, V.G., D.D. Cowan, R.C. Mullin and R.G. Stanton. Construction of the Generalized Moore Graph on 20 vertices. 13 pages.

• 5. Cerf, V.G., D.D. Cowan, R.C. Mullin and R.G. Stanton. Construction of the Generalized Moore Graph on 24 vertices. 12 pages.

• 6. Cerf, V.G., D.D. Cowan, R.C. Mullin and R.G. Stanton. Construction of the Generalized Moore Graph on 26 vertices. 51 pages.

Slides featuring images of text that were used during a presentation likely titled, "The evolution of computer systems for student use at the University of Waterloo."

Slides featuring images of text and diagrams used during a presentation about WATBOL and the Waterloo Interactive Debugging Job Entry Terminal (WIDJET) system. Also includes one slide featuring an image of students working at computer stations.

Negatives featuring images of text, diagrams and illustrations used during a presentation about computing at the University of Waterloo and the Waterloo Interactive Debugging Job Entry Terminal (WIDJET) system.

Slides featuring images of text, diagrams and illustrations used during a presentation about computing at the University of Waterloo and the Waterloo Interactive Debugging Job Entry Terminal (WIDJET) system.