- Author: Barbara Schaff, Johannes Schlegel, Carola Surkamp
- Language: English
- Year: 2016
- Author: Katerina Kroucheva (editor), Barbara Schaff (editor)
- Language: German
- Year: 2014
- Author: Barbara Schaff (editor)
- Language: English
- Year: 2020
- Author: Barbara Schaff (editor)
- Language: English
- Year: 2020
- Author: Eckart Voigts Barbara Schaff and Monika Pietrzak-Franger (eds)
- Language: English
- Year: 2014
- Author: Barbara Schaff
- Language: English
- Year: 2010