Overview of Primary sources of Bibliographic Data

International audience; Bibliographic data can be produced by different kind of people, responding to different purposes. An author can provide information about the origin of a quotation; a bookseller can offer the reader a catalogue of his supply; a printer handles the exact accounts of his stock; a librarian needs a file showing the precise location of a specific copy… From archives to printed books, we will try to give an overview of the different sources which can provide bibliographic data.