Columbia subject headings:
Draft--United States--Congresses.
Military service, Voluntary--United States--Congresses.
United States--Armed Forces--Recruiting, enlistment, etc.--Congresses.
Harvard subject headings:
Draft--United States--Congresses.
Military service, Voluntary--United States--Congresses.
United States--Armed Forces--Recruiting, enlistment, etc.--Congresses.
Princeton subject headings:
Military service, Voluntary--United States--Congresses.
United States--Armed forces--Recruiting, enlistment, etc.--Congresses.