Slides featuring various images and diagrams related to personal computing, microprocessors, and microcomputers. Two of the slides feature the Red Room inside the Computing Centre at the University of Waterloo. 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 diagrams related to academic services and systems and experimental-control activities. 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 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 possibly related to the University of Waterloo, especially its Computer Science program and future direction. 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 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 images and diagrams related to users, applications, and systems. It is likely that these slides were used as teaching aids by Donald Cowan during class instruction at the University of Waterloo. Two of the slides may have been used in a lecture on the Computing Centre at the University of Waterloo.

Slides featuring various text and diagrams related to computer memory. 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 and diagrams related to sequential circuits. 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 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.

Slides featuring various text and diagrams related to computer networking. It is likely that these slides were used as teaching aids by Donald Cowan during class instruction at the University of Waterloo. A note on the original slide box read, "[Gembro] slides for 25th."

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.

A handwritten copy of a presentation titled, "Recent design experience with multiple process structuring" delivered by Doug Dyment at the University of Waterloo. This item is the author's presentation copy that was given to Donald Cowan.

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).

A typed manuscript 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). The manuscript is 48 pages. In addition, the file contains a second copy of the article on a dot matrix printout and two copies of abstracts and introductions for the article in both English and Portuguese.

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.