| Titel | ISBN-13 | Erscheinungsjahr |
|---|---|---|
| Who's Who at the Frankfurt Book Fair, 1996 | 978-3-598-21896-5 | 1997 |
| Who's Who at the Frankfurt Book Fair 1999 | 978-3-598-21899-6 | 1999 |
| Who's Who at the Frankfurt Book Fair 2002 | 978-3-598-21902-3 | 2002 |
| Who's Who at the Franklin Book Fair 2001 | 978-3-598-21901-6 | 2001 |
| World Guide to Libraries | 978-3-598-21900-9 | 2000 |