The fonds consist of records created by the Bishops of Calgary, and by the offices under their jurisdiction. They deal with records concerning clergy, religious orders, institutions, church organizations, other dioceses, and the Vatican. The fonds contains correspondence, manuscripts, historical information, news clippings, photographs and some audivisual material.

File comprises one photograph of Bishop Emil. J. Legal, c. 1902 and photocopies and description of photograph of Archbishop Legal used in Diocese of Calgary publication, 'Cattolica', 1911-1912. Original copyrighted to Glenbow Library, ref. no. NA-3643-1, c.1911.

Subseries consists of correspondence and parish reports from St. Mary's Parish, in Cluny. Also includes records related to the Blackfoot Reserve.

File consists of correspondence concerning the closure of the mission at Bindloss in Acadia Valley. Includes discussion of Oyen, Acadia Valley, Empress and Youngstown

Item consists of a Decree of Alteration dated July 1, 2006 stating that Acadia Valley, St. Mary is to remain a mission of Sacred Heart, Oyen

File consists of correspondence with the Apostolic Delegate for Canada and Newfoundland, 1924 to 1932, including papers related to the visit of Most Rev. Andrea Cassulo to Calgary on Nov 2, 1927. Also includes correspondence with the Apostolic Delegate from 1944 to 1984 and with the Apostolic Pro-Nuncio from 1987 to 1997. Also includes notification regarding Vassula Ryden from the Sacred Congregation for the Doctrine of Faith.

Series consists of records of priests created or collected by the Office of the Bishop.