The fonds documents the activities of Julien Paquin, S.J. It contains information on the presence of Father Paquin within different missions in Northern Ontario and concerning his involvement in the First World War. It also includes his correspondence. The fonds is comprised of five series: correspondence, military service, missions, spiritual notes and reflections and Collège Saint-Boniface. The documents part of the fonds range from 1896 to [1935].