| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Guide to American Zoos and Aquariums | 978-O-962O685-4-6 (O-962O685-4-3) | 1993 | Robert Folzenlogen |
D.F. · Dariusz Felcenloben · Dirk Felsenheimer · Dirk Felzmann · Doris Fleischmann · Doris Flexner