Columbia subject headings:
Cossack-Polish War, 1648-1657.
Khmelʹnyt︠s︡ʹkyĭ, Bohdan, approximately 1594-1657.
Poland--Relations--Ukraine.
Ukraine--Foreign relations.
Ukraine--Relations--Poland.
Zaporozhians.
Harvard subject headings:
Cossack-Polish War, 1648-1657.
Khmelʹnyt͡sʹkyĭ, Bohdan, approximately 1594-1657.
Poland--Relations--Ukraine
Ukraine--Foreign relations.
Ukraine--Relations--Poland.
Zaporozhians.
Princeton subject headings: