- Author: Marcus Katoh Günther Schneider Arno Bücker (auth.) Andreas H. Mahnken Jens Ricke (eds.)
- Language: English
- Year: 2009
- Author: Universelles Leben e.V., Kugler Hans-Günter, Schneider Arno
- Language: German
- Year: 2014
- Author: Angelika Paseka Manuela Keller-Schneider Arno Combe (eds.)
- Language: German
- Year: 2018
- Author: Marcus Katoh Günther Schneider Arno Bücker (auth.) Andreas H. Mahnken Jens Ricke (eds.)
- Language: English
- Year: 2009