- Author: Johannes Wallmann
- Language: German
- Year: 2012
- Author: Martin Friedrich, Markus Matthias, Johannes Wallmann
- Language: German
- Year: 1996
- Author: Philipp J. Spener, Markus Matthias, Udo Strater, Johannes Wallmann
- Language: German
- Year: 1992
- Author: Philipp J. Spener, Klaus Vom Orde, Johannes Wallmann
- Language: German
- Year: 2010
- Author: Philipp J. Spener, Veronika Albrecht-Birkner, Udo Sträter, Johannes Wallmann
- Language: German
- Year: 2006
- Author: Philipp J. Spener, Peter Blastenbrei, Martin Friedrich, Johannes Wallmann
- Language: German
- Year: 2005
- Author: Philipp J. Spener, Klaus Vom Orde, Johannes Wallmann
- Language: German
- Year: 2009
- Author: Philipp J. Spener, Klaus Vom Orde, Udo Strater, Johannes Wallmann
- Language: German
- Year: 2013
- Author: Philipp J. Spener, Peter Blastenbrei, Martin Friedrich, Klaus Vom Orde, Johannes Wallmann
- Language: German
- Year: 2003