This fonds primarily contains personal papers, publications, and oral histories (ca. 1870-1984) relating to the Basilian Fathers who served as teaching staff for Assumption College and Assumption University. Included are diaries, notebooks, correspondence, memoirs, recorded interviews, memorials, manuscripts and published works. Of special note are the extensive papers of Bishop Leo C. Nelligan, records of O’Connor House, and a few records from Rev. Pierre Tourvieille. Secondarily, this fonds contains extensive administrative records documenting the history of Essex College, found in the papers of professor W.H. Arison.

This fonds consists of alphabetically-arranged subject files pertinent to Hugh Peacock's time as MPP for Windsor West, 1967-1971. They contain records, reports, and other information pertinent to local, provincial, and national issues of the day as well as issues of special concern to the labour-oriented New Democratic Party. These include affordable housing, credit unions, public utilities (including electricity and natural gas), the environment, health care, unemployment, workers’ compensation, child welfare and family services, child care services, funding for separate schools in Ontario, municipal and federal taxation, trade and economic development, postsecondary institutions, and government regulation of tobacco, alcohol, and guns.