- Ukrainian). Sich. ISBN 978-5-7775-0301-5.
Olena Apanovich, "Ne
propala ihnya slava", "Vitchizna" Magazine, N 9, 1990 "Speech of H.E.
Roman Shpek,Head...
- 1991, ISBN 978-5-7775-0301-5 [page needed] ",
Olena Apanovich, "Ne
propala ihnya slava", "Vitchizna" Magazine, N 9, 1990. Free
Cossacks at the Encyclopedia...