| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Comparative Perspectives on EU Democracy Promotion | 978-1-138-18207-3 (1-138-18207-9) | 2016 | Anne Wetzel · Jan Orbie |
| Comparative Perspectives on the Substance of EU Democracy Promotion | 978-0-367-07475-3 (0-367-07475-3) | 2018 | Jan Orbie |