| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-0-9629283-0-7 | Candace R. Coombs | Worldwide Government Directory With International Organizations, 1991 |
| 1992 | 978-0-9629283-2-1 | Ken Gause | Worldwide Government Directory With International Organizations, 1992 |
| 1994 | 978-0-9629283-7-6 | Ken Gause · Todd Leeuwenburgh · Robert M. Wall | Worldwide Government Directory With International Organizations 1994 |
| 1995 | 978-0-9629283-9-0 | Profiles of Worldwide Government Leaders 1 (Profiles of Worldwide Government Leaders) | |