Freedman, Ronald, author
Irvington, 1975
Buku Teks
Clamp, Cynthia G. L., author
Sage, 1999
Buku Teks
Miller, E. Morris, author
Angus and Robertson, 1956
Buku Teks
Bridson, Gavin D.R.
Gerland Publishing, Inc., 1994
Buku Teks
Patai, Raphael
Hraf Press , 1957
Buku Teks