Mason, Alpheus Thomas,1899-1989, author
Cornel University Press, 1955
Buku Teks
Mason, Alpheus Thomas,1899-1989, author
Prentice-Hall, 1959
Buku Teks
Deutsch, Kenneth L., author
Thomson, 2009
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks
Wanlass, Lawrence C., author
Appleton-Century-Crofts, 1953
Buku Teks