- Author: Gutzeit Walter
- Language: German
- Year: 2006
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- Language: English
- Year: 2014
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- Language: English
- Year: 2019
- Author: Sarah Schulz
- Language: German
- Year: 2023
- Author: Sarah Schulz
- Language: German
- Year: 2023
- Author: Patricia Cabredo Hofherr (editor), Brenda Laca (editor)
- Language: English
- Year: 2012
- Author: B. J. Cundy
- Language: English
- Year: 1989