Book (1985)
A manual of operation for the automatic sequence controlled calculator, by the staff of the Computation Laboratory (/isis/citation/CBB000045241/)

Book (1985)
Proceedings of a Symposium on large-scale digital calculating machinery, 7-10 January 1947 (/isis/citation/CBB000053152/)

Book Napier, John; (1990)
Rabdology. Translated by William Frank Richardson. Introduction by Rider, Robin E. (/isis/citation/CBB000064766/)

Book Hartree, Douglas R.; (1984)
Calculating machines: Recent and prospective developments and their impact on mathematical physics; and Calculating instruments and machines. With a new introduction by Wilkes, Maurice V. (/isis/citation/CBB000064223/)

Book Lindgren, Michael; (1987)
Glory and failure: The difference engines of Johannes Müller, Charles Babbage, and Georg and Edvard Scheutz. Translation by Craig G. McKay (/isis/citation/CBB000031246/)

Book Herz-Fischler, Roger; (1987)
A mathematical history of division in extreme and mean ratio (/isis/citation/CBB000048711/)

Book Marguin, Jean; (1994)
Histoire des instruments et machines à calculer: Trois siècles de mécanique pensante, 1642-1942 (/isis/citation/CBB000032583/)

Book Merzbach, Uta C.; (1977)
Georg Scheutz and the first printing calculator (/isis/citation/CBB000015926/)

Book Korte, Bernhard; (1981)
Zur Geschichte des maschinellen Rechnens. Rede (/isis/citation/CBB000023188/)

Book Ascher, Marcia; Ascher, Robert; (1978)
Code of the quipu databook (/isis/citation/CBB000018115/)

Book Wilberg, Ernst-Eberhard; (1977)
Die Leibniz'sche Rechenmaschine und die Julius-Universität in Helmstedt (/isis/citation/CBB000000241/)

Article Hamrick, Kathy B.; (1996)
The history of the hand-held electronic calculator (/isis/citation/CBB000074102/)

Chapter Jayawardene, S.A.; (1976)
The Trattato d'abaco of Piero della Francesca (/isis/citation/CBB000003731/)

Article Norberg, Arthur L.; (1990)
High-technology calculation in the early 20th century: Punched card machinery in business and government (/isis/citation/CBB000052354/)

Book Collier, Bruce; (1990)
The little engines that could've: The calculating machines of Charles Babbage (/isis/citation/CBB000037688/)

Article Drake, Stillman; (1976)
Galileo and the first mechanical computing device (/isis/citation/CBB000028052/)

Article Evans, Gillian R.; (1975)
Duc Oculum: Aids to understanding in some mediaeval treatises on the abacus (/isis/citation/CBB000010045/)

Article Dotzler, Bernhard J.; (1997)
Technotation: Babbage und die Macht der Zeichen (/isis/citation/CBB000071873/)

Article Wilkes, Maurice V.; (1991)
Babbage's expectations for his engines (/isis/citation/CBB000037313/)

Article Bromley, Allan G.; (1982)
Charles Babbage's analytical engine, 1838 (/isis/citation/CBB000012667/)