Mary Augusta Thomas is the Associate Director for Reader Services and Strategic Planning. Through a network of 20 libraries located in the Washington metropolitan area, New York City, Suitland and Edgewater, Md., and the Republic of Panama, the division provides library and information support to all of the Institution's research, education, and exhibition programs and to any research activities that require use of SIL information services and collections. The collections encompass 1.5 million books and journal volumes, including over 40,000 rare books and manuscripts, as well as electronic and other non-print resources, including microfilm, videotape, sound recordings, and photographs.

Smithsonian Institution Libraries

• Anacostia Museum & Center for African American History and Culture Library
• Anthropology Library
• Botany and Horticulture Library
• Cooper-Hewitt, National Design Museum Library (New York, NY)
• The Dibner Library of the History of Science and Technology
• Freer Gallery of Art and Arthur M. Sackler Gallery Library
• Hirshhorn Museum and Sculpture Garden Library
• Joseph F. Cullman 3rd, Library of Natural History
• Museum Studies & Reference Library
• Museum Support Center Library (Suitland, MD)
• National Air and Space Museum Library
• National Museum of American History Library
• National Museum of the American Indian Library (Suitland, MD)
• National Museum of Natural History Library
• National Postal Museum Library
• National Zoological Park Library
• Smithsonian American Art Museum / National Portrait Gallery Library
• Smithsonian Environmental Research Center
  Library (Edgewater, MD)
• Smithsonian Tropical Research Institute Library (Republic of Panama)
• Warren M. Robbins Library, National Museum of African Art