Documentary material on nature protection and wild life preservation in Latin America ...
Prepared for the use of the Committee of experts on nature protection and wild life preservation, Pan American union, Washington, D.C., May 13-16, 1940 ...

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Item Link Original Source
Full view   v.1 University of Illinois at Urbana-Champaign
Full view   v.1-2 University of Michigan
Full view   v.2 University of Illinois at Urbana-Champaign