Columbia subject headings:
Galicia (Poland and Ukraine)--History.
Poland--Relations--Ukraine.
Ukraine, Western--History--Autonomy and independence movements.
Ukraine--Relations--Poland.
Ukrainians--Poland--History--20th century.
Harvard subject headings:
Galicia (Poland and Ukraine)--History--20th century.
Poland--Relations--Ukraine
Ukraine, Western--History--Autonomy and independence movements.
Ukraine--Relations--Poland.
Ukrainians--Poland--History--20th century.
Princeton subject headings:
Poland--Politics and government--1918-1945.
Political persecution--Ukraine--Galicia, Eastern.
State-sponsored terrorism--Poland--History.
Ukrainians--Crimes against--Poland.