Columbia subject headings:
Panama Canal Treaties
Panama--Foreign relations--United States.
Panama--Politics and government--1946-1981.
United States--Foreign relations--Panama.
Harvard subject headings:
Panama Canal Treaties
Panama--Foreign relations--United States.
Panama--Politics and government--1946-1981.
United States--Foreign relations--Panama.
Princeton subject headings:
Government, Resistance to--Panama.
Panama--Foreign relations--United States.
Panama--Politics and government--1981-