Bagnall, Roger S.,
Routledge, 1995
Buku Teks
Lensen, George Alexander, author
Charles E. Tuttle Co., 1970
Buku Teks
Moscati, Sabatino
University of Wales Press, 1959
Buku Teks
Ishay, Michreline R., author
Alfred A. Knopf, 1967
Buku Teks
Sarton, George
George Braziller, Inc., 1956
Buku Teks