Allen, Richard.The Social Passion, Religion and Social Reform in Canada, 1914-28. University of Toronto Press, Toronto, 1971

AUA Archives. Letters between Irvine and Eliot, and between Russell and Cornish.

Bramadat, Jane.Weaving Threads in Our Canadian Tapestry, Partial Recording of Horace Westwood’s Contributions. Canadian Unitarian and Universalist Historical Society, Occasional paper #7, May 1986.

Deverell, Frances. Interview with Frank Coburn. March, 2004

Deverell, Frances. William Irvine. Unpublished research paper, Vancouver School of Theology, Dec. 11, 1997

Eddis, Charles. e-mail, August 7, 2003

Friesen, Gerald. The Canadian Prairies, A History. University of Toronto Press, Toronto, 1984

Glenbow Archives.Letter to Salem Bland, JH Ford papers, Irvine files, Dec 28, 1921

Granatstein, J.L. and Stevens, Paul (editors). A Reader’s Guide to Canadian History, Vol. 2 Confederation to the Present. University of Toronto Press, Toronto, 1982

Grun, Bernard. The Timetables of History, The New Third Revised Edition. Simon and Schuster, New York, 1991

Hewett, Phillip. Unitarians in Canada, Second Edition, Revised and Enlarged. Canadian Unitarian Council, Toronto, 1995 (1st edition, 1978).

Irvine, William. Unpublished sermon notes, estimated to have been written during Calgary Unitarian period (1916-1920) with hand additions and updates for preaching in Ottawa while serving as an MP.

Irvine, William. Letter to Mr. R.S. Wolf. Dec 16, 1960

Mardiros, Anthony. William Irvine, The Life of a Prairie Radical. James Lorimer & Company, Toronto, 1979

Mills, Allen. Fool For Christ, The Political Thought of J.S. Woodsworth. University of Toronto Press, Toronto, 1991

Palmer, Howard. Fort Calgary Quarterly, Vol 7 No 2, Spring 1987

Pennington, Doris. Agnes Macphail: Reformer. Simon and Pierre, Toronto, 1989

Stewart, Walter. The Life and Political Times of Tommy Douglas. [publisher?]

Trofimenkoff, Susan Mann. Stanley Knowles, The Man from Winnipeg North Centre. Modern Press, Saskatoon, 1982

Woodsworth, J.S. Hours That Stand Apart, No publisher indicated, Forward dated 1929

Young, Walter D. The Anatomy of a Party: The National CCF, 1932-61. University of Toronto Press, Toronto, 1969