Gerin-Lajoie, Paul, author
University of Toronto Press, 1950
Buku Teks
Funston, Bernard W., author
Carswell, 1994
Buku Teks
chapters by Edgar McInnis ... [et al.] ; edited by George W. Brown
University of California Press, 1953
Buku Teks
edited by George W. Brown
University of California Press, 1954
Buku Teks
Manzer, Ronald A., author
McGraw-Hill Ryerson, 1974
Buku Teks