Schoch, Richard W., author
Cambridge University Press , 2016
Buku Teks
Larson, Laurence M., author
Holt , 1926
Buku Teks
Hall, Walter Phelps, author
Ginn and Company, 1953
Buku Teks
edited by Jonathan Bate and Russell Jackson
Oxford University Press, 1996
Buku Teks
Kent, Sherman
Appleton Century Croffs, 1967
Buku Teks