Zink, Harold, author
Van Nostrand , 1963
Buku Teks
Jayapalan, N.
Atlantic Publishers and Distributors, 2002
Buku Teks
edited by Randolph L. Braham
Alfred A. Knopf, 1966
Buku Teks
Zink, Harold, author
Macmillan, 1948
Buku Teks
Moore, Russell F., author
Littlefield, Adams, 1957
Buku Teks