James A.G. Rehn field notes, 1907-1950
1907-1950
1909-1912
Academy of Natural Sciences of Drexel University
Field journal of J.A.G. Rehn kept during a collecting trips to Nebraska and Texas in 1909 and 1912. The journal is a narrative of the collecting trip. Some of the text is overwritten with checkmarks, which are believed to represent later notations related to cataloging of specimens.