Columbia subject headings:
Constitutional law--United States.
Executive power--United States.
United States--Foreign relations--Law and legislation.
War and emergency powers--United States.
Harvard subject headings:
Constitutional law--United States
Executive power--United States
Executive power--United States--History
Federal government--United States--History
United States--Foreign relations--Law and legislation.
War and emergency powers--United States
War and emergency powers--United States--History
Princeton subject headings:
Constitutional law--United States.
Executive power--United States.
United States--Foreign relations--Law and legislation.
War and emergency powers--United States.