Columbia subject headings:
World War, 1939-1945--Europe--Psychological aspects.
World War, 1939-1945--War work--Europe.
Harvard subject headings:
World War, 1939-1945--Europe--Psychological aspects.
World War, 1939-1945--War work--Europe.
Princeton subject headings:
World War, 1939-1945--Europe.
World War, 1939-1945--Japan.
World War, 1939-1945--United States.