One image of an unidentified frame building. Identified on the verso as "near Malton".

One image of an interior, identified on the verso as from Port Hope, Ont.

One image of an unidentified log cabin.

Seven images of the mill house on German Mills Creek, in the Region of York, Ont. (at Langstaff side road on highway #7). Includes captions on the verso of all of the photographs.

One image of a mill in Rockwood, Ontario.

One image of two treenails, and two regular nails.

One image of the interior of the Bracebridge Octagon, also called Woodchester Villa [see: http://www.octagonalhouse.com/Woodchester_Villa/woodchester_villa.htm].

One image of an unidentified church. Identified on the verso as from Paris, Ontario.

Two images of different pins (or treenails) from an unidentified structure.

Five images of historic buildings in Saugus, Massachusetts.

One image of a hydro tower near Doon [also known as the Sheaves Tower near Blair, Ontario. See: http://www.cambridgetourism.com/sub/HistoryBlair.asp and "Blair Mill used same water twice" Waterloo Historical Society 1961. 49: 14-15.].

One image of the St. Andrews church in Grimsby, Ont., built ca. 1820.

Three images of details of wooden clockwork. Identified on the verso as from the "old Peterborough town clock".

One image of the remnants of a wooden ship, identified on the verso as from Penetang, Ont.

One image of the Woodstock Jail.

One image of Fort Chimo, as seen from accross the water of Ungava Bay in Labrador, Newfoundland.

One image of log buildings and sleeping dogs at Fort Providence on the Mackenzie River (in the Northwest Territories), 1901.

One image of Fort Saskatchewan from the north side of the Saskatchewan River. Caption also reads: "From a Geological Survey of Canada photograph in the Public Archives of Canada."

One image of a log house and stable destroyed by fire, and an unidientified individual standing beside them.

One image of an unidentified log house.

One image of the well and ruins of an old house on an arid flat at Salt Springs, Manitoba. The caption also reads: "From a Geological Survey of Canada photograph in the Public Archives of Canada."

Material relating to the Borough of East York Local Architectural Conservation Advisory Committee. J. Rempel was appointed a member of this committee in 1981 and resigned in 1983. Contains correspondence, agendas and minutes, typed documents (photocopies) of historic tours, and a list (photocopy) of historic buildings in East York, descriptions and images of historic buildings (photocopies) as well as a map of East York.

Material relating to the work of the Historical Documents Preservation Committee, Ontario Association of Architects. Includes reference material such as lists and reports of published and unpublished sources relating to Ontario architecture and architects, proposals for collecting archives, correspondence, clippings, agendas and minutes. Also includes a c.v. of John Rempel.

Correspondence, handwritten list of photographic reproductions requested from the Geological Survey of Canada Photolibrary.

Correspondence, photocopied article and photograph about steam boxes, used to bend planks for shipbuilding.

File consists of a ledger kept by Charles Greb from 1884 to 1933, and material relating to Greb's hardware and hotel businesses in Zurich, Ontario where he lived before moving to Berlin (now Kitchener) in 1909. Includes a receipt to Greb from Charles Hartleib for the stock of the hardware store in Zurich, a press clipping about the history of the store, handwritten notes, statements from the Waterloo Bond Corporation, and typed notes by Charles E. Greb about the ledger.

These notes indicate that the ledger records transactions relating to the hardware store or the Huron Hotel (1884-1904); judgements made by Greb as a Justice of the Peace for Huron County (1906-1908); and transactions from building renovations, investments, loans, etc. (1909-1933).

File consists of four scrapbooks containing press clippings relating to the 1977 Ontario Summer Games, held in Kitchener-Waterloo from August 26-29. Press clippings are from the Canadian Press Clipping Service.

File consists of material relating to the official application by the City of Waterloo to host the 1981 Canada Summer Games. Includes the bid submission, copies of letters of support from MPPs, mayors, and other organizations and institutions, and the Ontario Summer Games 1977 program.

File consists of press clippings (some photocopies) about Ross Dixon.

File consists of newspaper and newsletter clippings relating to Ross Dixon, his career, his activities, and his philanthropy. Some are photocopies.

File consists of an advertisement from the National Citizens' Coalition clipped from the newspaper.

File consists of correspondence between Dixon and politicians regarding matters of concern for Dixon, and in particular the financial situation of the province and nation. Includes a letter from Prime Minister Brian Mulroney and a letter to Premier William Davis, among others. File also includes handwritten notes and typed copies of a speech to the Premiers of the provinces by Y.V.T. [?].

File consists of promotional material from Hillfield Strathallan College (formerly Hillcrest Private School) in Hamilton, Ontario.

File consists of material relating to the Kitchener-Waterloo Skating Club and Dixon's role on the board as well as in planning events. Includes correspondence, planning documents (including typed and handwritten notes), lists of members, mintues, newspaper clippings, and an agreement. Some documents relate to the Toronto Skating Club.

File consists of documents kept by Dixon. Includes a report card from Hillcrest Private School, his certificates of medial examination and unfitness for enrolment in the military, and a statement regarding the registration of his birth.

File consists of material relating to events held by the Kitchener-Waterloo Skating Club and Dixon's role in planning several of the events, as well as his role on the Board of Directors of the Kitchener-Waterloo Skating Club. Includes newspaper clippings, programmes for various skating events, correspondence, minutes, planning documents, handwritten notes, etc.

File consists of drawings and paintings by Dixon when he was a student at Hillcrest Private School in Hamilton, Ontario.

File consists of material relating primarily to the wedding of Ross Dixon and Doris Whiting. Includes newspaper clippings, ephemera, a marriage certificate, photocopies of the marriage register, photographs (two wedding photographs; one portrait of Doris), and the original metal plates used for printing the invitations. Clippings also relate to other weddings and events.

File consists of the honorary degrees from Wilfrid Laurier University granted to Ross Dixon and Doris Dixon. Degrees are mounted in gold-covered portfolios and include the citation presented with the degree.

File consists of a drawing probably cut out from a magazine or card. Contains a winter scene by a brook.

File consists of material related to the Canadian Kellogg Co., Engineers and Contractors, and their work for the Polymer Corporation Ltd. Includes correspondence (mainly carbon copies) and memoranda. Ross Dixon briefly held a position for the company as an office manager.

File consists of material relating primarily to employment opportunities and changes for Dixon from 1944 to 1947, including a position at Civitas (Canada) Ltd. Includes incoming and outgoing business and personal correspondence, handwritten notes, an agreement, and mintues of a Board of Directors meeting for Canada Playthings Manufacturers Inc. (of which Dixon was a member).

File consists of material relating to Dalco Crests & Novelties Ltd., formerly the William E. Dale Company, in which Dixon had an interest. Includes correspondence, accounting journal pages, handwritten notes and calculations, invoices and receipts, sample crests and a flocking template, etc.

File consists of letterhead for: Westmount Contruction Co. (photocopies), Westmont Enterprises Limited, (several versions), Ross Dixon & Associates Investments, Ross Dixon Investments Inc., and R.D.K. Aluminum Ltd. (manufacturers of Jasco).

A blank copy of the final exam given to students enrolled in the undergraduate course, CS 250: Fundamentals of computers and computer systems, taught at the University of Waterloo in Fall 1983. Also includes dot matrix printouts of student grades, and related correspondence.

Dot matrix printouts of students grades for the undergraduate course, CS 338: Computer applications in business: data bases and data communications, taught at the University of Waterloo in 1984. Also includes notes, student's verifications of illness and a medical certificate, and correspondence.

A letter written by Bruce Simpson, Chair of the Department of Computer Science at the University of Waterloo to Mr. Dara Yavari-Issalou, Honeywell Limited, providing details about the undergraduate course, Computer applications in business: data bases. Based on the contents of the letter, it appears Mr. Yavari-Issalou was invited to deliver lectures to students as part of the course.

A copy of the course notes prepared by Donald Cowan for the undergraduate course, CS 454: Distributed systems, taught at the University of Waterloo in Fall 1987.

Slides featuring various images and diagrams used in a presentation titled, "Networking IBM personal computers at University of Waterloo," delivered by Paul Dirksen. Some slides are duplicated.

Slides featuring various images and diagrams related to the computer programming language Waterloo BASIC. It is likely that these slides were used as teaching aids by Donald Cowan during class instruction at the University of Waterloo.

Slides featuring various text with commands for a computer program. It is likely that these slides were used as teaching aids by Donald Cowan during class instruction at the University of Waterloo.

Slides featuring various images and text related to the compiler WATBOL. It is likely that these slides were used as teaching aids by Donald Cowan during class instruction at the University of Waterloo.

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.

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, "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.

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.

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.

Material created and accumulated by Donald Cowan related to data directed design. Includes notes, correspondence, computer printouts, a bibliography, and related items. In addition the file includes copies of the following articles:

• 1. Manna, Zohar and Richard Waldinger. (January 1980). A deductive approach to program synthesis. ACM Transactions on Programming Languages and Systems, volume 2, (number 1), pages 90-121.

• 2. Cheatham, T.E., G.H. Holloway, and J.A. Townley. (1981). Program refinement by transformation. IEEE Transactions on Software Engineering, pages 430-437.

• 3. Bergland, G.D. (October 1981). A guided tour of program design methodologies. Computer, pages 13-37.

• 4. Sharma, D.K. (November 1981). McDonald's problem : an example of using Dijkstra's programming method. The Bell System Technical Journal, volume 60, (number 9), pages 2157-2165.

• 5. Levy, Michael R. (June 1982). Modularity and the sequential file update problem. Communications of the ACM, volume 25, (number 6), pages 362-367.

The materials in this file may have been used to support the creation of the article titled, "The data transform programming method and file processing problems"by C.J. Lucena, R.C.B. Martins, and P.A.S. Veloso (Departamento de Informática, Pontifícia Universidade Católica, Rio de Janeiro, Brazil) and Donald Cowan (Department of Computer Science, University of Waterloo).

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.

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

A photocopy of a proof for an article titled, "Networks for education at the University of Waterloo" by Donald Cowan, S. Fenton, James Wesley Graham, and T.M. Stepien. The article was published in Computer Networks and ISDN Systems, volume 15, (issue 5), pages 313-327, in October 1988.

Correspondence sent and received by Donald Cowan regarding the manuscript, "A study of the package software industry in Canada: a report submitted to the Department of Industry, Trade and Commerce." The report was written by Donald Cowan and James Wesley Graham. Also includes notes, published articles, one draft copy of the report that was returned to Donald Cowan from a reviewer, and related items.

Slides featuring portraits of several individuals and photographs of people working with computer equipment. These images were used in the book titled, "Computer science at Waterloo: a history to celebrate 25 years" by Peter J. Ponzo. Also includes photocopies of the images that likely served as proofs showing how the images would appear in the published book.

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.

Two copies of an article titled, "The challenges of teaching computer science by distance education," by V. Arnie Dyck, James P. Black, Donald Cowan, and Shirley L. Fenton. This article was published in the ICDE Bulletin, volume 18, pages 26-27.

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.

Three copies of an article titled, "Future directions in data communications for post-secondary education" by Donald Cowan. The article was published in CIPS Review, May/June 1988, pages 10-11.

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.

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.

Workshop notes from a three day course titled, "Microcomputers - a comprehensive introduction." The notes were published by WATCOM Publications.

Slides featuring text about problems of training in practical areas and debugging processors. One slide features a map of Southwestern Ontario. The slides were likely used during a presentation about computing at the University of Waterloo.

Slides featuring photographs of staff and students at the University of Waterloo working with computers likely in the Computing Centre.

Slides featuring images of equations and tree diagrams that were likely used during a lecture.

Photographs documenting a one-week trip that several faculty members at the University of Waterloo took, including Donald Cowan and Shirley Fenton, to Tokyo, Japan to train IBM faculty. Some of the faculty members who participated in this trip also presented at a conference. Includes images of students working at computers, Donald Cowan standing in front of a computer while running a program from Waterloo, Shirley Fenton teaching as well as Donald Cowan and his wife with Shirley Fenton and guests at a restaurant. Also includes one sticker for the SATT Software Racing Team.

Slides featuring photographs of various IBM equipment as well as unidentified people using computer equipment. Some of the photographs appear to have been taken inside the Red Room in the Computing Centre at the University of Waterloo.

Slides featuring photographs of an unidentified event at the University of Waterloo.

Slides featuring photographs of unidentified individuals working with computer equipment that are likely reproduced from the Kitchener-Waterloo Record Photographic Negative Collection and the Graphic Services fonds. Includes a portrait of Paul Dirksen.

Slides featuring portraits of Blaise Pascal, a French mathematician, and an unknown individual.

Loose pages of a photograph album with various photographs and corresponding captions glued to to the pages. The photographs feature the IBM System 360 Model 44, the IBM 2260 display terminal, keypunched cards, a card reader, the Calcomp tape unit, the console panel and typewriter, auxiliary storage devices, tape drives, disk drives, storage drum, data cell, printer, and Red Room in the Computing Centre at the University of Waterloo.

One negative featuring a group portrait of a hockey team.

Slides featuring photographs of unidentified individuals windsurfing and waterskiing.

Slides featuring images of text that were used during a presentation likely titled, "Computer science education, University of Waterloo experience."

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

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

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

Slides featuring images of text that were used during a presentation likely titled, "Challenge of the 80s."

Slides featuring images of text and diagrams that were used during a presentation likely titled, "Local area network." The slides are numbered 0 to 41. Slide number 37 is not included in this file.

Slides featuring images of text, diagrams and graphics that were used during a presentation likely titled, "Need for a network." Twelve slides are numbered 25-36. The other twelve slides are duplicate copies. The diagrams were created by Peter J. Ponzo, Professor, Applied Mathematics, University of Waterloo.

Slides and negatives featuring images of text, diagrams and graphics used during a presentation likely titled, "Waterloo microcomputer systems for the 1980s." The diagrams were created by Peter J. Ponzo, Professor, Applied Mathematics, University of Waterloo. The presentation may have been delivered at the ACM Dallas Conference in 1982.

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

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

Slides featuring photographs of IBM computer equipment at the University of Waterloo.

Audio cassettes with recordings of interviews Donald Cowan likely participated in recounting the history of computer science at the University of Waterloo. One cassette is a recording of a group interview. These interviews may have taken place as part of the 25th anniversary of computer science at the University of Waterloo in 1992. It is not clear who is serving as the interviewer on any of the tapes.

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.