Hockett, Homer Carey
Macmillan, 1939
Buku Teks SO
Schwartz, Bernard
Hill and Wang, 1963
Buku Teks SO
Swisher, Carl Brent
University of Chicago Press, 1946
Buku Teks SO
Alden, John Richard
American Book Company, 1960
Buku Teks SO
Myers, Gustavus
Random House, 1943
Buku Teks