- Author: Seyfarth Georg
- Language: German
- Year: 1998
- Author: Emil von Schoenaich-Carolath, H. Seyfarth
- Language: German
- Year: 1911
- Author: Robert Seyfarth (editor), Dorothy Cheney (editor), Michael L. Platt (editor), Michael L. Platt (editor)
- Language: English
- Year: 2017
- Author: Dorothy L. Cheney, Robert M. Seyfarth
- Language: English
- Year: 2008
- Author: Barbara B. Smuts (editor), Dorothy L. Cheney (editor), Robert M. Seyfarth (editor), Richard W. Wrangham (editor)
- Language: English
- Year: 2008
- Author: Ray Seyfarth
- Language: English