Canning, Joseph
A history of medieval political thought 300-1450 /Joseph Canning
Routledge, 1996
 Buku Teks
Australia : a social and political history
edited by Gordon Greenwood
Angus and Robertson, 1955
 Buku Teks
McInnis, Edgar
Canada a political and social history
Clarke Irwin, 1956
 Buku Teks
Australia : a social and political history
edited by Gordon Greenwood
Angus and Robertson, 1969
 Buku Teks
McInnis, Edgar
Canada, a political & social history
Holt, Rinehart and Winston of Canada, 1982
 Buku Teks