00806nam a22001931 4500 1/13640 981005s1972 enk 000 eng d 0226796043. 14099 DLC GR-PeUP 910.5729 MA International Symposium Wenner-Gren Foudation for AnthropologicalResearch. Man's role in changing the face of the Earth: vol. 1/ ed. by William L. Thomas, with the collaboration of Carl O. Sauer, Marston Bates, Lewis Mumford. Chicago: The University of Chicago Press, 1972. xxxviii, 448p.: illus; 22cm. Human geography Congresses. Thomas, William L. INST UNIPILB MAIN 20040709 910.5729 MA 00109945 00109945 LOAN 0 1 /webopac/covers/01/14099_0226796043.jpg