An agency of the legislative branch of the U.S. government, the Library of Congress encompasses several integral service units, listed below. Download a current Library of Congress organizational chart.
Office of the Libraria
The Office of the Librarian is the administrative branch of the Library of Congress and has overall management responsibility for the Library. It sets policy and directs and supports programs and activities to accomplish the Library’s mission.
Congressional Research Service
CRS exclusively serves Congress by providing confidential, objective and authoritative research and analysis to help inform the legislative debate.
The mission of the U.S. Copyright Office is to administer the Nation’s copyright laws for the advancement of the public good.
Congress established its Law Library in 1832, recognizing its need for ready access to reliable legal materials. The Law Library has grown over the years to become the world’s largest law library, with a collection of over three million volumes spanning the ages and covering virtually every jurisdiction in the world.
The mission of Library Services is to develop qualitatively the Library’s universal collections, which document the history and further the creativity of the American people and which record and contribute to the advancement of civilization and knowledge throughout the world, and to acquire, organize, provide access to, maintain, secure, and preserve these collections.
National and International Outreach
National and International Outreach manages the public facing programs and activities of the Library of Congress with the mission of broadening awareness and use of the Library and its resources through outreach and external partnerships.
Other offices that operate independently of individual service units but are within the Library’s organizational structure are listed here.Copyright Royalty BoardOffice of the Inspector GeneralOpen World Leadership Center