- Author: Gerhardt Volker, Kauffmann Clemens, Kraus Hans-Christof, Mehring Reinhard, Nitschke Peter, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2016
- Author: Gerhardt Volker, Kauffmann Clemens, Kraus Hans-Christof, Kroll Frank-Lothar, Nitschke Peter, Ottmann Henning, Thompson Martyn P.
- Language: German
- Year: 2017
- Author: Gerhardt Volker, Kauffmann Clemens, Kraus Hans-Christof, Mehring Reinhard, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2013
- Author: Gerhardt Volker, Mehring Reinhard, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2011
- Author: Gerhardt Volker, Kauffmann Clemens, Kraus Hans-Christof, Mehring Reinhard, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2012
- Author: Ballestrem Karl Graf, Gerhardt Volker, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2007
- Author: Ballestrem Karl Graf, Gerhardt Volker, Ottmann Henning, Thompson Martyn P.
- Language: German
- Year: 2004
- Author: Ballestrem Karl Graf, Gerhardt Volker, Ottmann Henning, Thompson Martyn P., Zehnpfennig Barbara
- Language: German
- Year: 2006
- Author: Shay Tiziano, Stefanos Tiziano, Princess Kali, Sunny Megatron, Jack Thompson, Kevin Melvoin-Berg, Midori, Emrys, Kevin Patterson
- Language: English
- Year: 2021
- Author: J. A. Thompson
- Language: English
- Year: 1980