| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Encyclopaedia Britannica | 978-0-85229-529-8 (0-85229-529-4) | 1991 | |
| Encyclopaedia Britannica | 978-0-85229-511-3 (0-85229-511-1) | 1990 | Encyclopaedia Britannica |
| Encyclopaedia Britannica | 978-0-85229-493-2 (0-85229-493-X) | 1989 | |