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Access and Hours

Collection Request Special Access Schedule an Appointment Hours
General Collection Request None Needed Monday–Friday, 8:00 a.m.–10:00 p.m.
Saturday–Sunday, 9:00 a.m.–10:00 p.m.
Rare Book Collection Request Schedule Monday–Friday, 9:30 a.m.–12:30 p.m., 2:00–4:30 p.m.
Image Collections and Fieldwork Archives Request Schedule Monday–Friday, 9:30 a.m.–12:00 p.m. and 1:30–4:30 p.m.
Dumbarton Oaks Archives None Needed Schedule Monday–Friday, 9:00 a.m.–4:00 p.m.

2018 Closures

General Collection

  • January 1, 2018
  • September 3
  • November 22
  • December 25
  • January 1, 2019

Rare Book Collection & Image Collections and Fieldwork Archives

  • January 1, 2018
  • January 15
  • February 19
  • May 28
  • July 4
  • August 10–24 (Rare Book Collection only)
  • September 3
  • October 8
  • November 12
  • November 22-23
  • December 24–31
  • January 1, 2019

Dumbarton Oaks Archives

  • Federal holidays