New York : Quadrangle/New York Times Book Co., 1976

Princeton, N.J. : Princeton University Press, 1980

Boulder, Colo. : Lynne Rienner, 1992

Santiago de Chile : Editorial Universitaria, 1955

Washington : Federal Works Agency, Work Projects Administration, Division of Research : United States Government Printing Office, 1941

Philadelphia : Courage Books, 1992

The Hague : Chicago : Mouton ; Distributed in the USA and Canada by Aldine, 1977

[Buenos Aires] C. Pérez 1969

New Delhi : Vikas Pub. House, 1977

Quito, Ecuador : Abya Yala, 1998
1. ed.

Stanford, Calif. : Stanford University Press , 1964

Los Angeles : Latin American Center, University of California, 1966

Paris : Unesco Press, 1981

New York : Oxford University Press, 1982

New York, Academy of Political Science, 1973

New York : Random House, 1971
First edition.

Paris : Unesco, 1981

Chicago [etc.] : University of Chicago Press, 1967
1st Phoenix ed.

New York : American Geographical Society, 1936