| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Educational Philosophy for 21st Century Teachers | 978-3-319-75968-5 (3-319-75968-X) | 2018 |
| Waldorf Schools and the History of Steiner Education: An International View of 100 Years | 978-3-030-31630-3 (3-030-31630-0) | 2019 |