Hart, James
The Oxford companion to American literature
Oxford University Press, 1965
 Buku Referensi
Hart, James D.
The concise Oxford campanion to American literature
Oxford University Press, 1986
 Buku Referensi
Concise dictionary of American literature
edited by Robert Richards
Littlefield, Adams, 1955
 Buku Referensi
The Cambridge companion to transnational American literature
edited by Yogita Goyal
Cambridge University Press, 2017
 Buku Teks
A companion to the literature and culture of the American West
Nicolas S. Witschi, editor
Wiley Balckwell, 2014
 Buku Teks SO