- Author: Marie-Dominique Philippe
- Language: French
- Year: 1979
- Author: Gregor Paul
- Language: German
- Year: 2010
Frege's Puzzle
pdf
- Author: Nathan Salmon
- Language: English
- Year: 1991
- Author: Juan José Sanguineti
- Language: Español
- Year: 1975
- Author: Paul Cobley Jansz Litza
- Language: English
- Year: 1997
- Author: Joshua Stuchlik
- Language: English
- Year: 2022
- Author: Fryderyk Nietzsche
- Language: Polish
- Year: 1901
- Author: Fryderyk Nietzsche
- Language: Polish
- Year: 1905
- Author: Fryderyk Nietzsche
- Language: Polish
- Year: 1912