Human rights : The rights of indigenous peoples, Fact sheet No.9 / United Nations
United Nations, 1990
Buku Teks
Myers, Gustavus
History of bigotry in the United States
Random House, 1943
Buku Teks
Myers, Margaret G.
A Financial history of the United States
Columbia University Press , 1970
Buku Teks
Kemmerer, Donald L.
Economic history of the United States
Littlefield, Adams, 1956
Buku Teks
Rae, John B.
The United States in World History
Mc Graw-Hill Book Company, 1949
Buku Teks