| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| L.E.O.: The Incredible Story of the World's First Business Computer | 978-0-07-009501-4 (0-07-009501-9) | 1997 | John Aris · Peter Hermon · Frank Land |
| User-Driven Innovation: The World's First Business Computer | 978-0-07-709236-8 (0-07-709236-8) | 1996 | |