| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Liberalism Advanced Topic Master | 978-1-84489-607-3 (1-84489-607-2) | 2006 | Eric Magee |
| Socialism Advanced Topic Master | 978-1-84489-608-0 (1-84489-608-0) | 2006 | " |
J. H. · J. Hoffman · "P. H." · P. Hoffman · P.J. · Professor Hoffman