Fonds documents Michel Brisebois's work as a rare books curator and librarian, and antiquarian bookseller. The records include extensive correspondence from approximately 1966 to 1994 (textual and on diskette), as well as evaluations of libraries and archives including the Archives nationales du Québec, the McCord Musum, the McGill University Libraries, the Université de Montréal, Université du Québec à Montréal, and others. The fonds also contains Brisebois's agenda books, catalogues, and financial records, as well as documents relating to the Antiquarian Booksellers Association of Canada.