- World Health Organization Library - Supporting the work of the World Health Organization and providing access to its collections on international public health and development as well as historical collections.
- Bernice Bienenstock Furniture Library - Largest collection of books on furniture, home furnishings styles and interior design in the world. Over 8,000 volumes dating from 1600.
- U.S. Institute of Peace Library - The U.S. Institute of Peace library collection encompasses over 12,000 items dealing with conflict prevention, management, and resolution and diplomacy, negotiation and mediation.
- Shevchenko Scientific Society Library - Collections in mathematics, physics, and technology, and works by and about Ukrainians and the Ukraine Diaspora. Online catalog has entries transliterated into Roman characters.
- Farmland Information - A clearinghouse for information about farmland protection and stewardship. It is a partnership between the USDA Natural Resources Conservation Service and American Farmland Trust.
- Texas Ranger Hall of Fame Research Center - Information about the library for the Texas Rangers law enforcement agency.
- National Equal Justice Library - Located in the American University (Washington, DC) Washington College of Law, the only library-museum dedicated to the history of equal justice for all in the US.