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Notice
JULY 3 AND 4 HOLIDAY NOTICE: The Thomas Jefferson Building will be open to visitors with timed-entry tickets on Friday July 3rd, and Saturday July 4, from 10:00am – 5:00pm. The Main Reading Room and The Source will be open to the public from 10:00am – 5:00pm. All other reading rooms are closed in observance of the federal holiday, and there will be no research availability or reader registration on both days.

Research Centers

Video Tutorials for Researchers

Below are video tutorials that provide a brief introduction to select research centers and to common researcher tasks, such as how to request materials using the Library’s online catalog. For information on upcoming (in-person and online) courses and workshops on various topics, see the Library’s Services webpage. Recordings of select past courses are also available online.

Researcher Tools

Learn more about some common researcher tasks.

Ask a Librarian at the Library of Congress

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Using the Reading Rooms

Learn more about some of the 17 research centers at the Library of Congress.

Using the Asian Reading Room

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Location

Library of Congress
Thomas Jefferson Building
10 First Street SE
Washington, DC 20540
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Hours

All research centers are open Monday-Friday, 8:30am-5:00pm. Evening and Saturday hours vary by research center. All research centers are closed on Sundays and Federal Holidays.