| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Schach Training, CD-ROMs: The Dragon for Experts, 1 CD-ROM Für Windows 95/98/2000 | 978-3-935602-04-4 (3-935602-04-9) | |||
| Sicilian Dragon: Classical and Levenfish Variations | 978-0-02-029804-5 (0-02-029804-8) | 1991 | Laszlo Sapi | |