- American Federation of Information Processing Societies: 1973 National Computer Conference, 4-8 June 1973, New York, NY, USA. Volume 42 of AFIPS Conference Proceedings, AFIPS Press/ACM, 1974.
- American Federation of Information Processing Societies: 1974 National Computer Conference, 6-10 May 1974, Chicago, Illinois, USA. Volume 43 of AFIPS Conference Proceedings, AFIPS Press, 1974.