| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1979 |
|
A Tolkien Bestiary | Ballantine Books | Nonfiction | |
| October 1979 |
|
A Tolkien Bestiary | Mitchell Beazley | Nonfiction | |
| 1980 |
|
J. R. R. Tolkiens fantastische Welt | Moewig | Nonfiction | |
| 1982 | A Tolkien Bestiary | Emblem Books | Nonfiction |