Most Popular Books
- The Pleistocene Fauna of Wailes Bluff and Langley's Bluff, Maryland: Smithsonian Miscellaneous Collections, V121, No. 12
- New Plants from Guatemala and Honduras - Primary Source Edition
- A Revision of the Genus Polygala in Mexico, Central America, and the West Indies
- The Genus Homalium in America: New South American Spermatophytes Collected by H.M. Curran
- New Plants From Guatemala and Honduras
