Compiled and edited by Dorothy Nyren Curley, Maurice Kramer, Elaine Fialka Kramer
Continuum, 1989
Buku Referensi
Gale Research Company, 1988/1989
Buku Referensi
compiled by Ruth Z. Temple; edited by Martin Tucker
Frederick Ungar Publishing, 1981
Buku Referensi
edited by Joseph T. Shipley
Littlefield, Adams, 1960
Buku Referensi
Cain, William E., author
Johns Hopkins University Press, 1984
Buku Teks