PublishAmerica · Various small imprints
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Controversies in the Epistles | 978-0-692-29021-7 (0-692-29021-4) | 2014 |
| Rise and Fall of the Holy Roman Empire: From Charlemagne to Napoleon | 978-0-692-47655-0 (0-692-47655-5) | 2005 |
| The Rise and Fall of the Holy Roman Empire: From Charlemagne to Napoleon | 978-1-4137-5473-5 (1-4137-5473-2) | 2005 |