Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Evacuation of civilians--Soviet Union--Sources.
World War, 1939-1945--Soviet Union--Technology--History--Sources.
World War, 1939-1945--War work--Soviet Union--Sources.
Princeton subject headings:
World War, 1939-1945--Evacuation of civilians--Soviet Union.
World War, 1939-1945--War work--Soviet Union.