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Research Center Science and Business Reading Room

Location & Contact Information

Visit the Reading Room

plan view of John Adams Building 5th floor with room names and numbers identified
Fifth Floor, John Adams Building - Library of Congress

John Adams Building, LA 500
Library of Congress
120 Second Street, SE
Washington, DC 20540-4810

Metro: Capitol South on the Blue, Orange, and Silver lines

Ask a Librarian

Business Ask a Librarian

Science and Technology Ask a Librarian


Phone: (202) 707-5639


Mail can be sent to the address below. Please note, however, that US Postal Service mail delivery to Capitol Hill may experience significant delays due to security protocols. For the most prompt response, please contact us through Ask a Librarian.

Science & Business Reading Room
Library of Congress
101 Independence Ave. SE
Washington, D.C. 20540-4810


Library of Congress
120 2nd St, SE
John Adams Building, LA 500
Washington, DC 20540-4810
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Public Hours
Monday through Thursday
8:30 a.m. - 8:30 p.m.
Friday and Saturday
8:30 a.m. - 5:00 p.m.
Closed Sundays & Federal Holidays