History & Culture Libraries Anacostia Community Museum Library The Library supports the Anacostia Community Museum's mission, which is to explore social issues impacting diverse populations of the DC metropolitan area to promote mutual understanding and strengthen community bonds. Dibner Library of the History of Science and Technology The Dibner Library is the Smithsonian’s collection of rare books and manuscripts relating to the history of science and technology. Located in the American History Museum in Washington, DC. National Air and Space Museum Library A premier aviation and aerospace history collection, the library supports research by the Museum’s curatorial staff and aviation researchers around the world National Museum of African American History & Culture Library The Library supports the mission of the museum, and the research and documentation of all aspects of the African American experience. National Museum of American History Library A premier American history collection covering all areas of American history and culture, including social, economic, technological and scientific developments. National Postal Museum Library Contains more than 40,000 books, journals, catalogs, and documents, and is among the world's largest postal history and philatelic research facilities. Smithsonian Libraries Research Annex The Smithsonian Libraries Research Annex (SLRA) holds over 35,000 monographs, over 250,000 periodical holdings, and is the most subject-diverse branch within the Smithsonian Libraries' system. Vine Deloria, Jr. Library, National Museum of the American Indian The Deloria Library supports the National Museum of the American Indian Museum, the Cultural Resources Center, and the George G. Heye Center in New York City.