Duke University Press,
Majalah, Jurnal, Buletin
Short, Raymond W.
Henry Holt and Company, 1954
Buku Teks
Wachner, Clarence W.
Macmillan, 1963
Buku Teks
by Luella B. Cook ... [and others]
Harcourt, Brace & World, 1957
Buku Teks
Compiled and edited by Dorothy Nyren Curley, Maurice Kramer, Elaine Fialka Kramer
Continuum, 1989
Buku Referensi