The photograph album compiled by A.S. Hitchcock of images from collecting trips during 1927-1929. Locations include Africa (Victoria Falls, Euphorbia, Fort Victoria, Zimbabwe, Lake challu Mt. Kilimanjaro, Naivasha); United States (Oregon (Umpqua forest), Cascade Forest, Washington, California); Canada (Newfoundland, St. John’s, Labrador); United Kingdom (Kew Gardens); Teneriffe Island; Nairobi; So
- By A.S. Hitchcock: Oregon, Washington, California, 1927; Newfoundland and Labrador, 1928; Africa, 1929. Vol. 5, nos. #1976-#2351.
- Rights: CC0