Columbia subject headings:
Hetmans--Ukraine--Biography.
Khmelʹnyt︠s︡ʹkyĭ, Bohdan, approximately 1594-1657.
Ukraine--History--1648-1654.
Harvard subject headings:
Cossacks--Ukraine.
Hetmans--Ukraine--Biography.
Khmelʹnyt͡sʹkyĭ, Bohdan, approximately 1594-1657.
Poland--History--John II Casimir, 1648-1668
Russia--History--Alekseĭ Mikhaĭlovich, 1645-1676.
Ukraine--History--1648-1654.
Princeton subject headings:
Hetmans--Ukraine--Biography.
Khmelʹnyt︠s︡ʹkyĭ, Bohdan, approximately 1594-1657.
Ukraine--History--1648-1654.