Columbia subject headings:
Hetmans--Ukraine--Biography.
Khmelʹnyt︠s︡ʹkyĭ, Bohdan, approximately 1594-1657--Chronology.
Ukraine--History--1648-1654.
Harvard subject headings:
Hetmans--Ukraine--Biography.
Khmelʹnyt͡sʹkyĭ, Bohdan, approximately 1594-1657.
Ukraine--History--1648-1654.
Princeton subject headings:
Hetmans--Ukraine--Biography.
Khmelʹnyt︠s︡ʹkyĭ, Bohdan, approximately 1594-1657--Chronology.
Ukraine--History--1648-1654.