edited by Eugene R. Wittkopt
Martin Press, 1994
Buku Teks
edited by Ernest R. May
George-Braziller, 1963
Buku Teks
edited by Maurice Duke, Jackson R. Bryer, and M. Thomas Inge
Greenwood Press, 1983
Buku Referensi
Wittkopf, Eugene R., author
Thomson wadsworth, 2008
Buku Teks
Eugene R. Wittkopf, James M. McCormick, editor
Rowman & Littlefield publisher INC, 2008
Buku Teks