Frost, S.E.
Basic teachings of the great philosophers
Barnes and Noble, 1957
 Buku Teks
The world's great thinkers: Man and Spirit; the speculative philosophers
ed. by Saxe Commins & Robert N. Linscott.
Random House , 1947
 Buku Teks
Law, Stephen
The great philosophers: the lives and ideas of history's greatest thinkers
Quersus, 2013
 Buku Teks
Heilbroner, Robert L.
the Worldly philosophers : the lives, times, and ideas of the great economic thinkers
Simon Schuster, 1961
 Buku Teks
Warner, Rex, 1905-1986
The Greek philosophers
The New American Library, 1958
 Buku Teks