| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1970 | 978-0-8393-6035-3 | Richard Cavendish | Man, Myth and Magic: An Illustrated Encyclopedia of the Supernatural (24-Vol. Set) |
| 1979 | 978-0-8393-6175-6 | Bernard Fitzsimons | Illustrated Encyclopedia of Twentieth Century Weapons and Warfare |
| 1980 | 978-0-8393-6178-7 | Maurice Burton ยท Robert Burton | The New International Wildlife Encyclopedia |