Cambridge History of Russian Literature Revised Edition
edited by Charles A. Moser
Cambridge University Press, 1992
 Buku Teks SO
Roy, James A. Le
Americans in the philippines: a history of the conquest and fist years of occupation with an indructory account of the Spanish rule / James Alfred Le Roy
Houghton Mifflin, 1914.
 Buku Teks SO
Russell, Bertrand, 1872-1970
The conquest of happiness
Avon Book Divition, 1930
 Buku Teks SO
Castillo, Bernal Diaz del
The dicovery and conquest of Mexico 1517-1521
H. Wolf, 1956
 Buku Teks
Herskovits, Melville Jean, 1895-1963
Cultural anthropology: an abridge revision of man and his works
Alfred A. Knopf, 1955
 Buku Teks SO