the library of congress is the nation's oldest federal cultural institution, and it serves as the research arm of congress. it is also the largest library in the world, with more than 162 million items. the collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

u.s. congress legislation, congressional record debates, members of congress, legislative process educational resources presented by the library of congress

find government benefits, services, agencies, and information at usa.gov. contact elected officials. learn about passports, social security, taxes, and more.

commerce.gov is the official website of the united states department of commerce and secretary of commerce.