The Bibliothèque nationale de France (BnF) is one of the largest research and public libraries in the world collecting and conserving the national heritage entrusted to its care, in whatever form, for the use of all researchers, students and professionals. Today its patrimonial collections encompass all areas of culture and knowledge in a great variety of languages and illustrate the library’s encyclopaedic nature through all kinds of materials. The BnF offers access to its digital library Gallica http://gallica.bnf.fr, which now contains over 1.5 million digitised documents: manuscripts, sound materials and music scores, books, images and over 800,000 newspapers issues, in French and other languages. They cover all domains of knowledge, with a specific focus on literature and history.