» 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/

» All about the IBM 1130 Computing System    The IBM 1130 Computing System, introduced in 1965, was IBM's most "personal" system to date. This site celebrates and documents that system.    http://ibm1130.org/

» 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 1620    Homage to the venerable IBM 1620 computer.    http://www.xprt.net/~pgrogers/Ibm1620.html

» IBM 360/370/3090/390    A condensed history of IBM mainframes and their operating systems from System/360 through System/390.    http://www.beagle-ears.com/lars/engineer/comphist/ibm360.htm

» 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 Stretch    A brief description of the hardware parallelism of the IBM Stretch computer (also known as the IBM 7030).    http://www.cs.clemson.edu/~mark/stretch.html

» 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