Kaplan, Benjamin, author
Columbia University Press, 1968
Buku Teks
Buskirk, Richard Hobart, 1927-, author
Holt Rinehart, 1961
Buku Teks
Buskirk, Richard Hobart, 1927-, author
Holt Rinehart, 1970
Buku Teks
Schwartz, Peter, author
Doubleday, 1991
Buku Teks
Pilcher, Rosamunde
Coronet Books, 1990
Buku Teks