R.K. · Ruth Kirmaier · Ruth Kraemer · Ruth Kramer
| title | media type | ISBN-13 | year of publication | |
|---|---|---|---|---|
| Ed School Follies: The Miseducation of America's Teachers | Hardcover | 978-0-02-917642-9 | 1991 | |
| Flames in the Field: The Story of Four SOE Agents in Occupied France | Paperback | 978-1-4538-3427-5 | 2010 | |
| Flames in the Field: The Story of Four Soe Agents in Occupied France | " | 978-0-14-024423-6 | 1996 | |
| Flames in the Field: The Story of Four Soe Agents in Occupied France | Hardcover | 978-0-7181-3881-3 | 1995 | |
| Maria Montessori: A Biography | Paperback | 978-0-241-12847-3 | 1989 | |
| Maria Montessori: A Biography | " | 978-0-201-09227-1 | 1988 | |
| Maria Montessori: Eine Biographie | Broschiert | 978-3-596-25615-0 | 1989 | |
| Maria Montessori. Leben und Werk einer großen Frau | Taschenbuch | 978-3-596-12455-8 | 2004 |
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