Columbia subject headings:
Poland--Relations--Ukraine.
Ukraine--Relations--Poland.
Ukrainians--Poland.
World War, 1939-1945--Atrocities--Poland.
Harvard subject headings:
Poland--Relations--Ukraine
Ukraine--Relations--Poland.
Ukrainians--Poland.
World War, 1939-1945--Atrocities--Poland.
World War, 1939-1945--Poland--Atrocities.
Princeton subject headings:
Polish people--Ukraine--Galicia, Eastern--History.
Polish people--Ukraine--Volhynia--History.
Ukraine--Galicia, Eastern--Ethnic relations.
Ukraine--Volhynia--Ethnic relations.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Ukraine.