- Author: Arthur Stringer
- Language: English
- Year: 1948
- Author: Louis Bromfield
- Language: English
- Year: 1927
Protagoras
pdf
- Author: Plato Martin Ostwald Gregory Vlastos
- Language: English
- Year: 1956
- Author: Sacheverell Sitwell
- Language: English
- Year: 1953
- Author: John Howard Jackson
- Language: English
- Year: 1969
- Author: Lewis White Beck
- Language: English
- Year: 1965
- Author: Leroy N. Rieselbach
- Language: English
- Year: 1966
- Author: George Agnew Chamberlain
- Language: English
- Year: 1920
- Author: John H. Bracey Jr., August Meier, Elliott Rudwick (ed.)
- Language: English
- Year: 1970
- Author: Howard Waitzkin Barbara Waterman
- Language: English
- Year: 1974