Columbia subject headings:
Bolivia--Politics and government--1938-1952.
Villarroel López, Gualberto, 1908-1946.
Harvard subject headings:
Bolivia--Politics and government--1938-
Villarroel López, Gualberto, 1908-1946.
Princeton subject headings:
Bolivia--Politics and government--1938-1952.
Villarroel López, Gualberto, 1908-1946.