Cameron, Edward A., author
Reynal & Hitchock, 1941
Buku Teks
Davis, Hannibal Albert, author
American Book, 1933
Buku Teks
Rice, Bernard J., author
Prindle, Weber & Schmidt, 1975
Buku Teks
Pignani, Tullio J., author
Harcourt, Brace, and World, 1968
Buku Teks
Buchanan, Herbert E., author
Johnson Pub., 1926
Buku Teks