McInnis, Edgar, author
Clarke Irwin, 1956
Buku Teks
McInnis, Edgar, author
Holt, Rinehart and Winston of Canada, 1982
Buku Teks
Creighton, Donald, author
Macmillan, 1957
Buku Teks
Lower, Arthur R.M.
Longmans, Green and Company, 1959
Buku Teks
Bourinot, John G.
Cambridge University Press, 1909
Buku Teks