- Author: Annette Gerok-Reiter, Martin Kovacs, Volker Leppin, Irmgard Männlein-Robert (editors)
- Language: German
- Year: 2023
- Author: Annette Gerok-Reiter, Martin Kovacs, Volker Leppin, Irmgard Männlein-Robert (editors)
- Language: German
- Year: 2023
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
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- Author: Adolf Martin Ritter, Volker Leppin
- Language: German
- Year: 2021