Occasional materials of the following organizations constitute the series:
- Ukrainian Canadian Foundation of Taras Shevchenko, 1968, 1979
- Assistance Committee for the Ukrainian National Council (Комітет сприяння українській національній раді), 1965б 1970-1
- Ukrainian Canadian Committee of Toronto, 1971
- 2nd World Congress of Free Ukrainians, 1973
- Ukrainian Mutual Benefit Association of Saint Nicholas of Canada
- Saint Vladimir Ukrainian Institute, Toronto