Editing LEO (computer) (section)

== Further reading ==

* [[Peter Bird (IT manager)|Bird, P. J.]] (1994). ''LEO: The First Business Computer''. Wokingham: Hasler Publishing Co. {{ISBN|0-9521651-0-4}}.
* {{cite book |author-last1=Caminer |author-first1=D. T. |author-last2=Aris |author-first2=J. B. |author-last3=Hermon |author-first3=P. M. |author-last4=Land |author-first4=F. F. |author-link4=Frank Land |year=1998 |title=LEO: the incredible story of the world's first business computer |publisher=[[McGraw-Hill]] |isbn=0-07-009501-9}}
* Campbell-Kelly, M., (1989). ''ICL: A Business and Technical History''. Oxford: [[Clarendon Press]].
* Caminer, D. T., Aris, J. B. B., Hermon, P. M. R., Land, F. F. (1996). ''[https://web.archive.org/web/20051123125148/http://www.jpbowen.com/publications/thes-leo.html User-Driven Innovation: The World’s First Business Computer]''. London: [[McGraw-Hill]]. {{ISBN|0-07-009501-9}}.
* Carmichael, H., editor (1996). An ICL Anthology, Chapter 6: ''LEO'', Laidlaw Hicks, Surbiton, UK.
* {{Citation |author-last=Ferry |author-first=Georgina |title=A Computer Called LEO: Lyons Tea Shops and the World's First Office Computer |place=London |publisher=Fourth Estate |year=2003 |isbn=1-84115-185-8}}
* Hally, M. (2005). ''Electronic Brains: stories from the dawn of the computer age''. Washington:Joseph Henry Press. Chapter 5: LEO the Lyons Computer. {{ISBN|0-309-09630-8}}.
* Land, F. F., (1997). LEO, the First Business Computer: A Personal Experience. In [[Robert L. Glass|Glass, R. L.]], editor. ''In the Beginning: Recollections of Software Pioneers'', pages 134–153. [[IEEE Computer Society]], Los Alamitos, CA.
* PEP, (1957). ''Three Case Studies in Automation'', PEP, London.
* Simmons, J. R. M., (1962). ''LEO and the Managers'', MacDonald, London.
* Aris, J. B. B. (1996). "Systems Design – Then and Now". ''Resurrection'', Summer issue 1996.
* Land, F. F. (1996). "Systems Analysis for Business Applications". ''Resurrection'', Summer issue 1996.
* Aris, J. B. B. (2000). "Inventing Systems Engineering". ''[[IEEE Annals of the History of Computing]]'', Vol. 22, No. 3, July–September, pp.&nbsp;4–15
* Land, F. F. (2000). "The First Business Computer: A Case Study in User-Driven Automation". ''IEEE Annals of the History of Computing'', Vol. 22, No. 3, July–September, pp.&nbsp;16–26.
* Caminer, D. T. (1958), "...And How to Avoid Them". ''[[The Computer Journal]]'', Vol. 1, No. 1.
* Caminer, D. T. (1997). "LEO and its Applications: The Beginning of Business Computing". ''The Computer Journal'', Vol. 40, No. 10.
* Caminer, D. T. (2003). "Behind the Curtain at LEO: A Personal Reminiscence". ''IEEE Annals of the History of Computing'', Vol. 25, No. 2, April–June, pp3–13.
* Hendry, J. (1988). "The Teashop Computer Manufacturer: J. Lyons". ''Business History'', Vol. 29, No. 8, pp.&nbsp;73–102.
* Land, Frank (1999). "A Historical Analysis of Implementing IS at J. Lyons." In Currie, W. G.; Galliers, R. D., editors. ''Rethinking Management Information Systems'', pp.&nbsp;310–325. [[Oxford University Press]].
* {{cite web |title=Computer Arithmetic |at=The Early Days of Hexadecimal |author-first=John J. G. |author-last=Savard |year=2018 |orig-year=2005 |work=quadibloc |url=http://www.quadibloc.com/comp/cp02.htm |access-date=2018-07-16 |url-status=live |archive-url=https://web.archive.org/web/20180716102439/http://www.quadibloc.com/comp/cp02.htm |archive-date=2018-07-16}} (Has information on the LEO III character set.)