edited by Geoffrey A. Hosking and George F. Cushing
Macmillan Press, 1989
Buku Teks
Weber, Max, 1864-1920
University of California press, 1978
Buku Teks SO
McKay, John P.
Houghton Mifflin , 1983
Buku Teks
edited by Philippe Descola and Gisli Palsson
Routledge, 1996
Buku Teks
Burton, Graeme
McGraw-Hill, 2010
Buku Teks