Columbia subject headings:
Harvard subject headings:
Civil-military relations--United States
Military doctrine--United States.
United States--Armed Forces--Organization.
United States--National Guard--History.
United States--National Guard.
Princeton subject headings:
Civil-military relations--United States.
Military service, Voluntary--United States.
Soldiers--United States.
United States--Armed Forces--Organization.
United States--Militia--History.
United States--National Guard--History.
United States--National Guard.