Creighton, Donald
Macmillan, 1977
Buku Teks
Moyles, R.G.
Peter Martin Associates Limited, 1977
Buku Teks
Keenleyside, Hugh Ll.
Alfred A. Knopf , 1952
Buku Teks
On Dominion - Provincial Relations , 1940
Buku Teks
Masters, Donald C.
D. Van Nostrand, 1958
Buku Teks