Columbia subject headings:
League of Nations--United States--History.
Treaty of Versailles--History.
United States--Foreign relations--1913-1921.
United States. Congress. Senate--History.
Harvard subject headings:
League of Nations--United States--History.
Treaty of Versailles--History.
United States--Foreign relations--1913-1921.
United States. Congress. Senate--History.
Princeton subject headings:
League of Nations--United States--History.
Treaty of Versailles--History.
United States--Foreign relations--1913-1921.
United States. Congress. Senate--History.