James A.G. Rehn field notes, 1907-1950
1907-1950
1923-1934
Academy of Natural Sciences of Drexel University
Field journal of J.A.G. Rehn kept during a collecting trip to Jamaica and Costa Rica in 1923, a trip to Costa Rica in 1927, a trip to Honduras in 1930, a trip to Matto Grosso (Brazil) in 1931, and a trip to Africa in 1934.