- Author: Johannsen Sven Leif Erik
- Language: German
- Year: 2009
- Author: Johannsen Matthias
- Language: German
- Year: 2010
- Author: Nina Johannsen
- Language: German
- Year: 2006
- Author: Imke Johannsen
- Language: German
- Year: 2020
- Author: Hans-Werner Johannsen
- Language: German
- Year: 2020
- Author: Alice E. Johannsen
- Language: English
- Year: 1993
- Author: Anja K. Johannsen
- Language: German
- Year: 2015
- Author: Björn Johannsen
- Language: German
- Year: 2019
- Author: Carl Gustav Johannsen
- Language: English
- Year: 2015