| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Theoretical foundation of an European Federation: Richard N. Coudenhove-Kalergi's draft constitution of the United States of Europe | 978-3-638-79926-3 (3-638-79926-3) | 2007 |
| The political economy of NATO in theory and practice | 978-3-638-85487-0 (3-638-85487-6) | 2007 |