Panama, 1952 : to visit the Canal Zone Biological Area and collect bird specimens along the Rio Indio and on Taboga Island. Correspondence, expense records, news clippings, reference materials, travel notes, film notes, itinerary, and memorabilia; Correspondents include John Enos Graf, Louise M. Pearson, Eugene Eisenmann, Matthew Williams and Marion Illg Stirling, and James Zetek
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