Graves, Robert, 1895-1985
Penguin Books, 1960
Buku Teks
Moncrieff, A.R. Hope
Gramercy Books, 1995
Buku Referensi
Rosenberg, Donna
NTC Publishing Group , 1994
Buku Teks
edited by Joseph M. Kitagawa and Charles H. Long with the collaboration of Jerald C. Brauer and Marsall G.S. Hodgson
University of Chicago Press, 1971
Buku Teks SO
Baring-Gould, Sabine
Longman, 1906
Buku Teks