Canning, Joseph
A history of medieval political thought 300-1450 /Joseph Canning
Routledge, 1996
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Sabine, George H.
A history of political theory
Harcourt Brace College Publishers, 1973
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Australia : a social and political history
edited by Gordon Greenwood
Angus and Robertson, 1955
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McInnis, Edgar
Canada a political and social history
Clarke Irwin, 1956
 Buku Teks SO
Australia : a social and political history
edited by Gordon Greenwood
Angus and Robertson, 1969
 Buku Teks SO