Houghton Miffiln, 1996
Buku Teks
Harrison, John B.
Alfred A. Knopf, 1969
Buku Teks
Appleton-Century-Crofts, 1951
Buku Teks
edited with introductions by Joan Mickelson-Gaughan
Scarecrow Press, 1991
Buku Referensi
Fischer, Eric, author
Harvard University Press, 1943
Buku Teks