Columbia subject headings:
Poland--History--Occupation, 1939-1945.
Warsaw (Poland)--History--Uprising, 1944.
World War, 1939-1945--Poland--Warsaw.
Harvard subject headings:
Poland--History--Occupation, 1939-1945
Warsaw (Poland)--History--Uprising, 1944.
World War, 1939-1945--Poland--Warsaw.
Princeton subject headings:
Poland--History--Occupation, 1939-1945.
Warsaw (Poland)--History--Uprising, 1944.
World War, 1939-1945--Poland--Warsaw.