Farrand, Max
Yale University Press, 1962
Buku Teks
Mussatti, James
D. Van Nostrand Company, Inc., 1960
Buku Teks
United States Information Agency, 1987
Buku Teks
introduction by Edward G. Smith
Barnes & Noble, 1966
Buku Teks SO
Antieau, Chester James
Dennis & Co., 1960
Buku Teks SO