M M · Mario M. Montessori Jr · Mario. Montessori
ABC-CLIO · FISCHER Taschenbuch
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Education for Human Development: Understanding Montessori | 978-1-85109-169-0 (1-85109-169-6) | 1992 | |
| Erziehung zum Menschen | 978-3-596-23069-3 (3-596-23069-1) | 1997 |