The fonds contains source material on Paul Desruisseaux's career as a lawyer, senator, businessman, and humanitarian from 1950 to 1980 and on his wife Céline's volunteer activities. It consists of documentary materials of various kinds, including correspondence, statistics, declarations, speeches, financial statements, press clippings, publications, subject files, annual reports, press releases and photographs. It is comprised of the following series: La Tribune Ltée ([195-]-1970), Senate (1966-1980), Université de Sherbrooke (1955-1984), Civil Code (1928), Canadian Association for Retarded Children (1967-1969), Kennedy Foundation (1965-1969), Press Clippings (Economy, Politics, Journalism ([195-?]-1981), Photographs (1962-[197-?]), and Miscellaneous Documents (1928-1983).