Columbia subject headings:
Labor supply--United States.
United States. Army--Recruiting, enlistment, etc.--World War, 1939-1945.
World War, 1939-1945--Manpower--United States.
Harvard subject headings:
Princeton subject headings:
Labor supply--United States.
United States. Army--Recruiting, enlistment, etc.--World War, 1939-1945.
World War, 1939-1945--Manpower--United States.