- Author: Rebekka Rinner, Teresa Tammer, Katja Töpfer, Maria Bühner
- Language: German
- Year: 2021
- Author: Volker Eick (editor), Jens Sambale (editor), Eric Töpfer (editor)
- Language: German
- Year: 2015
- Author: Christoph Töpfer, Erik Gawel
- Language: English
- Year: 2013
- Author: Anja von Moltke, Colin McKee, Trevor Morgan, Klaus Töpfer
- Language: English
- Year: 2004
- Author: Harald A. Mieg, Klaus Töpfer
- Language: English
- Year: 2013
- Author: C. W. R. Webster, E. Töpfer, F. R. Klauser
- Language: English
- Year: 2012
- Author: B. Philipp, W. Schirmer, E. Töpfer
- Language: German
- Year: 1979
- Author: Edelhard Töpfer
- Language: German
- Year: 1977
- Author: Bernhard Töpfer
- Language: Italian
- Year: 1993
