edited with introductions by Joan Mickelson-Gaughan
Scarecrow Press, 1991
Buku Referensi
Hughes, Paul L.
Littlefield, Adams, 1956
Buku Teks
Harrison, John B.
Alfred A. Knopf , 1966
Buku Teks
Harrison, John B.
Alfred A. Knopf, 1969
Buku Teks
Easton, Stewart C.
Holt, Rinehart and Winston, 1966
Buku Teks