| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Woman's Educational Mission: Being an Explanation of Frederick Fröbel's System of Infant Gardens | 978-1-145-88461-8 (1-145-88461-X) | 2010 | Bertha Von Marenholtz-Bülow · Bertha Maria Marenholtz-Bülow |