-
Anti-war demonstration, Workmen's Circle Camp Yungvelt (Pickering, ON), 1937.
-
International Left Opposition demonstration, [193-?].
-
Isaac Matenko fonds, 1911-1971, predominant 1911-1935.
-
Workers' Party of Canada, Toronto Branches, [193-?].
-
Workmen's Circle / Arbeiter Ring fonds, 1919-1921.