The Saint-Guillaume Library and the Research Library will close their doors to the public on the evening of Friday 1 August and will reopen on the morning of Monday 18 August, 2025.

Please note! The Saint-Thomas Library will close on the evening of Friday 1 August and reopen on the morning of Thursday 21 August, 2025. From 18 to 20 August, documents from the Saint-Thomas Library can be requested from the Catalogue and borrowed from the Saint-Guillaume Library welcome desk or from one of our lockers.

The Archives will be closed from the evening of Friday 25 July to Sunday 24 August 2025 inclusive.

Plan ahead and take advantage of the holiday loan from Monday 12 May 2025. You will have until Monday 1 September 2025 inclusive to return borrowed documents.

Closing dates for various services :

• Inter-library loan system: from 4 July to 1 September.
• Online request (bookstacks outside Paris): from 29 July to 25 August inclusive.

From Monday 18 August until the end of the month, we will be open Monday to Friday from 9.30am to 6pm.

Sign up for Bla Blah, the Library's newsletter. With only six issues per year, you'll have all the information you need to take full advantage of our collections and services.

The next issue will be published on 26 August 2025.