- Author: Wermusch Günter
- Language: German
- Year: 2016
- Author: Knopp Guido
- Language: German
- Year: 2013
- Author: Bertina Arno, Savoy Bénédicte
- Language: German
- Year: 2016
- Author: Hickley Catherine
- Language: German
- Year: 2016
- Author: Hildebrand Gurlitt, Lane Mary M
- Language: English
- Year: 2019
- Author: Hildebrand Gurlitt, Hitler Adolf, Lane Mary M
- Language: English
- Year: 2019
- Author: Greenhalgh Michael
- Language: English
- Year: 2016
- Author: Alford Kenneth D
- Language: English
- Year: 2003