Columbia subject headings:
National characteristics, American.
United States--Description and travel.
United States--Politics and government.
World War, 1939-1945--United States.
Harvard subject headings:
National characteristics, American
United States--Description and travel.
United States--Politics and government.
World War, 1939-1945--United States.
Princeton subject headings:
National characteristics, American.
United States--Description and travel.
United States--Politics and government.
World War, 1939-1945--United States.