1963 IBM 1620 IBM 1401 Computer Operation & Programming UNIVAC 1101 Core Memory

1963 Computers & How They Work - Laurie - IBM 1620 IBM 1401 IBM 650 Programming

1976 Computer Encyclopedia Raytheon EDVAC IBM 1401 CDC 3300 Cray-1 DEC PDP-8/M

1962 IBM 1620 Computer Programming Punch Cards Ferrite Core Memory 368pg FORTRAN

1960s Programming the IBM 1130 Computer FORTRAN Core Memory IBM 1620 1401

Computer History UNIVAC IBM 650 Apple 1 Macintosh DEC PDP-8 Altair 8800 Babbage

1950s Computer History NCR 304 UNIVAC 1105 Bendix G-15 IBM 650 RCA 501 Core Mem

Computer Encyclopedia UNIVAC 1101 IBM 709 NORC Harvard Mark 1 Pilot ACE CDC 1604