Joshua, Wynfred, author
Sage, 1973
Buku Teks
edited by Gordon B. Turner and Richard D. Challener
Frederick A. Praeger, 1960
Buku Teks
edited by P. Edward Haley, David M. Keithly, and Jack Merritt
Westview Press, 1985
Buku Teks
Dinerstein, H.S., author
Frederick A. Praeger, 1962
Buku Teks
Griffiths, Peter, author
Edward Arnold, 1987
Buku Teks