Columbia subject headings:
Colombia--Foreign relations--United States.
Colombia--Politics and government--1903-1930.
United States--Foreign relations--20th century.
United States--Foreign relations--Colombia.
Harvard subject headings:
Colombia--Foreign relations--United States.
Colombia--Politics and government--1903-1930.
United States--Foreign relations--20th century.
United States--Foreign relations--Colombia.
Princeton subject headings:
Colombia--Foreign relations--United States.
Colombia--Politics and government--1903-1930.
United States--Foreign relations--20th century.
United States--Foreign relations--Colombia.