Computer History Museum
Computer History Museum: Timeline of Computer History
This site presents an interactive timeline of computer development from 1939 through 1994. Upon selecting a year, the site presents all of the major computer hardware and software developments that occurred during that year.
University of Minnesota
University of Minnesota Charles Babbage Institute: Who Was Charles Babbage?
This is a biographical note on Charles Babbage, computer pioneer, and includes a list of his published works.