Fuller, Benjamin A.: History of Greek philosophy. New York: H. Holt 1923-1931.

Vol. 1: Thales to Democritus. New York: H. Holt 1923. [Table of Contents] [Internet Archive]

Vol. 2: The Sophists. Socrates. Plato. New York: H. Holt 1931. [Table of Contents] [Internet Archive]