Essays in the history of political thought
edited by Isaac Kramnick
[publisher not identified], 1969
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Sabine, George H.
A history of political theory
Harcourt Brace College Publishers, 1973
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Wanlass, Lawrence C.
Gettell's history of political thought
Appleton-Century-Crofts, 1953
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Sabine, George H.
A History of political theory
Henry Holt, 1950
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Sabine, George H.
A history of political theory
Henry Holt , 1955, 1956
 Buku Teks SO