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.

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.

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.

A sound recording of an interview conducted by Dr. Anne Millar with Don Cowan, Distinguished Professor Emeritus in the Cheriton School of Computer Science at the University of Waterloo, for the Oral History Hub pilot project. The interview includes discussions about Cowan's family background, their decision to come to Waterloo and the path that brought them here, as well as their thoughts about the institution and where it will be at 100 years old, in 2057. Additional topics include computer science, IBM, Computer Science Days, math contests, WATFOR, WATFIV, MicroWAT, Centre for Education in Mathematics and Computing, intellectual property, startups, co-op, Wes Graham, Ralph Stanton, Doug Wright, Ken Fryer, Paul Dirksen, Paul Cress, and Pat Fisher. The interview was conducted virtually from Waterloo, Ontario. File also contains a transcript of the interview.

Slides featuring text and diagrams used during a presentation given by Paul Dirksen likely titled, "Networking IBM personal computers at University of Waterloo."

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.

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.

Slides featuring photographs of computer equipment and the University of Waterloo campus including the art gallery, swimming pool, basketball court, and theatre. Also includes portraits of Paul Dirksen and duplicate lecture slides used during presentations.

Slides featuring images of text used during a presentation likely about the Waterloo Foundation for the Advancement of Computing (WATFAC).