Classification scheme: Hist.Mss. 11
Microfilm of unpublished source documents has either been purchased from another body, or has been created by the Mennonite Archives of Ontario.
Generally speaking, microfilm of unpublished documents must be used at the Mennonite Archives of Ontario.
- Mennonites in Canada - Microfilms obtained from National Archives of Canada, National Archives of the United States and Bethel College Historical Library by Frank H. Epp for his Mennonites in Canada project
- Mennonite Congregational records in Ontario (Produced under the sponsorship of the Multi-Cultural History Society of Ontario in 1978)
- Amos B. Hoover collection (Microfilm of materials relating to Old Order Mennonites and Reformed Mennonites filmed at the Muddy Creek Historical Library in Pennsylvania in 1978)
- Conference of United Mennonite Churches in Ontario (filmed by the Mennonite Heritage Centre in Winnipeg in 1980)
- World War I court martial records obtained from the National Archives in the United States
- Jacob H. Janzen correspondence, 1926-1950
- Northwest Conference of the Mennonite Church
- Mennonite Central Committee Canada, 1964-1970
- Jacob B. Mensch letter collection, 1863-1910
- Peter J. Braun Russian Mennonite Archive, 1803-1920
- Cemetery records from Archives of Ontario
- Land Transaction Records
- Census records
- St. Petersburg Archives (David G. Rempel microfilm collection)
- Odessa Region Archives - Fond 6
- Hermann Thiessen Prussian Genealogy Collection
- Ulrich Dueck Microfilm Collection
- Einwandererzentralstelle (EWZ) Collection
- Thomas A. and Katherine (Gingrich) Brady collection