Columbia subject headings:
Military intelligence--Soviet Union--Sources.
Stalingrad, Battle of, Volgograd, Russia, 1942-1943--Sources.
Harvard subject headings:
Military intelligence--Soviet Union--Sources.
Stalingrad, Battle of, Volgograd, Russia, 1942-1943--Sources.
Princeton subject headings:
Military intelligence--Soviet Union.
Stalingrad, Battle of, Volgograd, Russia, 1942-1943.