Columbia subject headings:
Priests--Nazi persecution--Poland.
World War, 1939-1945--Concentration camps--Poland.
World War, 1939-1945--Religious aspects--Catholic Church.
Żabikowo (Concentration camp)
Harvard subject headings:
Priests--Nazi persecution--Poland.
World War, 1939-1945--Concentration camps--Poland.
World War, 1939-1945--Religious aspects--Catholic Church
Żabikowo (Concentration camp)
Princeton subject headings: