Cole, Taylor
Duke University Press , 1949
Buku Teks
Scott, F. R. (Francis Reginald)
Published in co-operation with Carleton University by University of Toronto Press, 1959
Buku Teks
Press Porcepic, 1974
Buku Teks
Mcinnes, Graham
Toronto The Macmillan Co of Canada Limited 1950
Buku Teks
University of Toronto Press, 2014
Buku Teks