Columbia subject headings:
Harvard subject headings:
Polskie Radio--History.
Radio broadcasting--Poland--History.
Warsaw (Poland)--History--Uprising of 1944.
World War, 1939-1945--Communications.
World War, 1939-1945--Underground movements--Poland.
Princeton subject headings:
Radio journalism--Poland--History--Sources.
Warsaw (Poland)--History--Uprising, 1944--Press coverage--Sources.
Warsaw (Poland)--History--Uprising, 1944--Sources.