S. B · Stefan Biffiger · Steffan Biffiger
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| MAC OS 9 for Dummies | 978-0-7645-2829-3 (0-7645-2829-7) | 2001 | Bob Levitus | |
| MAC OS 9 for Dummies | Paperback | 978-0-7645-0652-9 (0-7645-0652-8) | 1999 | Bob LeVitus |
| Mac® OS 8.5 For Dummies® | " | 978-1-199-00038-5 (1-199-00038-8) | 1998 | Bob Levitus |