Field notes and catalogs from expeditionary work in Costa Rica, Haiti, the United States, Trinidad, India, the Himalayas and Turkestan, and most prominently in locations across South America, including the Roosevelt-Rondon Expedition, correspondence, itemized packing lists, clippings

Correspondence, field notes, memoranda related to expeditions to South America largely with F.M. Chapman, includes maps and photo of Miller.

Photographs, correspondence and George K. Cherrie's field notes on "River of Doubt" Expedition. Also includes press releases and clippings, and three books related to Theodore Roosevelt, Through the Brazillian Wilderness, 1925.