Columbia subject headings:
Colombia--Economic conditions--1918-1970.
Colombia--Economic conditions--1970-
Colombia--Politics and government--1930-1946.
Colombia--Politics and government--1946-
Harvard subject headings:
Colombia--Economic conditions--1918-1970.
Colombia--Economic conditions--1970-
Colombia--Politics and government--1930-1946.
Colombia--Politics and government--1946-1974.
Colombia--Politics and government--1974-
Princeton subject headings:
Colombia--Economic conditions--1918-1970.
Colombia--Economic conditions--1970-
Colombia--Politics and government--1930-1946.
Colombia--Politics and government--1946-1974.