- Author: Bernard Waldenfels
- Language: German
- Year: 2019
- Author: Posner Michael I
- Language: English
- Year: 2012
- Author: Cvetkovic Dean, Cosic Irena
- Language: English
- Year: 2011
Maria Montessori
epub
- Author: Heiland Helmut, Montessori Maria
- Language: German
- Year: 2016
- Author: Berndt Jon Christoph, Koller Christine
- Language: German
- Year: 2017