Bibliothèque nationale de France (BnF)
The Bibliothèque nationale de France (BnF) is the National Library of France, located in Paris near the metro station Bibliothèque François Mitterrand. It is intended to be the repository of all that is published in France.
In addition to published print collections, the Bibliothèque Nationale currently holds some correspondence and manuscripts belonging to Messiaen. Questions regarding the Messiaen archives should be directed to the site editor. The BN can be accessed here (some searching in English is also available).