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Opening hours
Paris campus libraries opening hours.
The Saint-Guillaume Library and the Saint-Thomas Library will close to the public on Friday, August 1, in the evening. The Saint-Guillaume Library will reopen on Monday, August 18, 2025, in the morning. The Saint-Thomas Library will reopen on Thursday, August 21, 2025, in the morning.
From Monday, August 18 to August 31, the library will be open Monday through Friday from 9:30 a.m. to 6 p.m.

To know
Evacuation of the reading rooms begins ¼ hour before closing time.
Closed stacks requests should be made 1 hour prior to circulation desk closing for pickup the same day.
See also
Practical informations :