Columbia subject headings:
Colombia--Politics and government--1930-1946.
Colombia--Politics and government--1946-1974.
López Pumarejo, Alfonso, 1886-1959.
Presidents--Colombia--Biography.
Harvard subject headings:
Colombia--Politics and government--1930-1946.
Colombia--Politics and government--1946-1974.
López Pumarejo, Alfonso, 1886-1959
Presidents--Colombia--Biography
Princeton subject headings: