Notice
JUNETEENTH HOLIDAY: On Friday, June 19, 2026, the Jefferson Building Great Hall, The Source, and exhibitions will be open from 10 a.m. - 5 p.m. to guests with timed-entry passes. The Main Reading Room will be open to visitors, but no research or collections services will be available. All other reading rooms, the Madison and Adams Buildings will be closed to the public. Regularly scheduled access resumes on Saturday, June 20.
