- Author: Karl Brunner
- Language: German
- Year: 1996
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- Year: 1957
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- Language: German
- Year: 2014
- Author: Ingerid Dal, Hans-Werner Eroms
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- Year: 2014
- Author: Wilhelm Braune, Frank Heidermanns
- Language: German
- Year: 2018
- Author: Hermann Paul, Thomas Klein, Hans-Joachim Solms, Klaus-Peter Wegera, Ingeborg Schöbler, Heinz-Peter Prell
- Language: German
- Year: 2007
- Author: Richard Schrodt
- Language: German
- Year: 2004
- Author: Robert P. Ebert (editor), Oskar Reichmann (editor), Hans-Joachim Solms (editor), Klaus-Peter Wegera (editor)
- Language: German
- Year: 1994
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- Language: German
- Year: 2018