Crown Publishers · Facts on File
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| FOF Encyclopedia of the 20th Century | 978-0-517-12594-6 (0-517-12594-3) | 1994 | |
| The Facts on File Encyclopedia of the 20th Century | 978-0-8160-2461-2 (0-8160-2461-8) | 1991 | Inc. Facts on File |