Essays in the history of political thought
edited by Isaac Kramnick
[publisher not identified], 1969
 Buku Teks
Wanlass, Lawrence C.
Gettell's history of political thought
Appleton-Century-Crofts, 1953
 Buku Teks
Sabine, George H.
A History of political theory
Henry Holt, 1950
 Buku Teks
Sabine, George H.
A history of political theory
Henry Holt , 1955, 1956
 Buku Teks
Sabine, George H.
A history of political theory
George G. Harrap, 1959
 Buku Teks