- Author: Marcus Tullius Cicero Manfred Fuhrmann (tr.) Rainer Nickel (ed.)
- Language: Latin, German
- Year: 2013
- Author: Marcus Tullius Cicero Olof Gigon (ed.)
- Language: Latin, German
- Year: 1998
- Author: Marcus Tullius Cicero Christoph Schäublin (tr./ed.)
- Language: Latin, German
- Year: 2013
- Author: Marcus Tullius Cicero Rainer Nickel (ed./tr.)
- Language: Latin, German
- Year: 2010
![book Vom rechten Handeln: Lateinisch und Deutsch [De officiis]](/covers/files_170/3600000/5eec0b18913cbb2199e353f763202f34-g.jpg)
- Author: Marcus Tullius Cicero Karl Büchner (tr. ed.)
- Language: Latin, German
- Year: 2001
- Author: Marcus Tullius Cicero Quintus Tullius Cicero Helmut Kasten (ed.)
- Language: Latin, German
- Year: 1965
- Author: Marcus Tullius Cicero Rainer Nickel (Herausgegeber und Übersetzer)
- Language: Latin, German
- Year: 2008
- Author: A. E. Douglas, Marcus Tullius Cicero
- Language: English
- Year: 1985
On Duties
epub
- Author: Marcus Tullius Cicero
- Language: English
- Year: 2016