| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Challengers to capitalism: Marx, Lenin, Stalin, and Mao | Hardcover | 978-0-393-01224-8 (0-393-01224-7) | 1980 |
| Challengers to capitalism: Marx, Lenin, Stalin, and Mao | Paperback | 978-0-393-95005-2 (0-393-95005-0) | 1980 |