Columbia subject headings:
Moscow, Battle of, Moscow, Russia, 1941-1942--Sources.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--History--Sources.
World War, 1939-1945--Underground movements--Soviet Union--Sources.
Harvard subject headings:
Moscow, Battle of, Moscow, Russia, 1941-1942--Sources.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--History--Sources.
World War, 1939-1945--Underground movements--Soviet Union--Sources.
Princeton subject headings:
Moscow, Battle of, Moscow, Russia, 1941-1942--Sources.
Soviet Union. Narodnyĭ komissariat vnutrennikh del--History--Sources.
World War, 1939-1945--Underground movements--Soviet Union.
World War, 1939-1945.