A research center at the University of Minnesota dedicated to promoting the study and preservation of the history of information processing. Includes an oral history database (see link below).
Mathematical history of the early Hewlett Packard calculators primarily models from 1968 to 1986 (page is not affiliated with the corporation). There are also sections on calculating machines and slide rules -- very interesting site!
Alan Turing was a pioneer of modern computing who helped decipher the code created by German Enigma machines in the Second World War. This site contains nearly 3,000 images of letters, photographs, newspaper articles, and unpublished papers by or about Alan Turing.
An eclectic collection of web links to sources on the history of computing as well as online exhibits, corporate histories, computer-related museums, etc.
