| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Dictionary of Wars | Hardcover | 978-0-8160-6577-6 | 2006 |
| Dictionary of Wars | Paperback | 978-0-8160-6578-3 | 2006 |
| Encyclopedia of Plague and Pestilence: From Ancient Times to the Present | Hardcover | 978-0-8160-6935-4 | 2007 |
| New Encyclopedia of American Scandal | " | 978-0-9651704-0-6 | 1990 |
C. K. · G. C. · G. K. · G. Kohn · George-C · George C. Kohn · George K.