- Author: Paul A. Mankin
- Language: English
- Year: 1971
- Author: Walter A. Oechsler, Christopher Paul
- Language: German
- Year: 2018
- Author: Paul Darmstädter
- Language: German
- Year: 1896
- Author: Paul Meyer
- Language: French
- Year: 1876
- Author: George Wilson (editor), Paul Boerner (editor)
- Language: German
- Year: 1877
- Author: Paul Joachimsen (editor), Otto Schottenloher (editor)
- Language: German
- Year: 1970
- Author: Paul Weisengrün
- Language: German
- Year: 1900
- Author: Paul Zipperer (editor), Herm. Schaeffer (editor), Schröder (editor)
- Language: German
- Year: 1924