The Botany and Horticulture Branch Library provides research support for the Department of Botany, NMNH and Smithsonian Gardens, plus a large number of botanists world-wide, who use the collections and resources.
The Library collection reflects the important role that the Smithsonian Institution played in the development of anthropology as a formal discipline in the United States
The Cullman Library holds the Smithsonian's collection of rare books in anthropology and the natural sciences and contains approximately 20,000 volumes published before 1840.
The National Museum of Natural History (NMNH) Library consists of the main location (in NMNH's East Court) and 11 specialized collections throughout the NMNH building.
The Smithsonian Libraries Research Annex (SLRA) holds over 50,000 monographs, over 300,000 periodical holdings, and is the most subject-diverse branch within the Smithsonian Libraries system.
Supporting the research, publications, academic and public programs, and exhibits of the Smithsonian Tropical Research Institute, as well as biological research in Panamá and across Central America.