Alte Kirche
pdf
- Author: Adolf Martin Ritter, Harry Oelke, Volker Leppin
- Language: German
- Year: 2019
- Author: Volker Leppin, Michael Beyer, Martin Hauger
- Language: German
- Year: 2016
- Author: Martin Leiner, Volker Leppin, Herman Selderhuis
- Language: German
- Year: 2013
- Author: Volker Leppin
- Language: German
- Year: 1995
- Author: Joachim Emig, Volker Leppin, Uwe Schirmer
- Language: German
- Year: 2013
- Author: Herman J. Selderhuis, Günter Frank, Volker Leppin, Klaus Unterburger
- Language: German
- Year: 2023
Mittelalter
pdf
- Author: Adolf Martin Ritter, Volker Leppin
- Language: German
- Year: 2021
- Author: Irene Dingel, Volker Leppin, Kathrin Paasch
- Language: German
- Year: 2018
