Columbia subject headings:
Galicia, Eastern (Ukraine)--History.
Poland--History, Military.
Poland--History--Wars of 1918-1921.
Volhynia (Ukraine)--History.
Harvard subject headings:
Galicia, Eastern (Ukraine)--History.
Poland--History, Military
Poland--History--Wars of 1918-1921
Poland--History--Wars of 1918-1921--Campaigns
Ukraine, Western--History--20th century.
Volhynia (Ukraine)--History.
Princeton subject headings:
Galicia, Eastern (Ukraine)--History.
Poland--History, Military.
Poland--History--Wars of 1918-1921.
Volhynia (Ukraine)--History.