Columbia subject headings:
Harvard subject headings:
Catholic Church--Poland--History.
Poland--History--Occupation, 1939-1945
World War, 1939-1945--Atrocities.
World War, 1939-1945--Registers.
World War, 1939-1945--Religious aspects--Catholic Church
Princeton subject headings:
Catholic Church--Poland--History.
Poland--History--Occupation, 1939-1945.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Catholic Church.
World War, 1939-1945--Registers.