Computing at Columbia Timeline Summary of Columbia University's dense, more than 50-year-long history of academic use of IBM systems. Includes links to descriptions of most of the systems they have used. http://www.columbia.edu/acis/history/
IBM Advanced Computing Systems A description of the first superscalar computer system - the IBM ACS project in the 1960s. http://www.cs.clemson.edu/~mark/acs.html
IBM Archives IBM's own history site, with pages on many of their significant systems (see especially the "Exhibits" and "Documents" sections). http://www-03.ibm.com/ibm/history/
Lawrence Wilkinson's IBM 360/30 Saga. Description of the resurrection of an abandoned IBM system 360 model 30 mainframe computer, stored in a warehouse, into a working machine, by a group of enthusiasts. http://homepages.kcbbs.gen.nz/nbree/saga.html
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