"Charles W. Bachman Papers, 1951—". Charles Babbage Institute, University of Minnesota. Collection contains archival materials detailing database software development. Includes documentation on Dow Chemical (1951–1960), General Electric (1960–1970), Honeywell Information Systems (1970–1981), Cullinane Database Systems/Cullinet (1972–1986), Bachman Information Systems, Inc. (1982–1996), Association for Computing Machinery (ACM) (1971–1982), American National Standards Institute (ANSI) (1978–1983) as well as several international standard organizations.
