Columbia subject headings:
America--Politics and government.
Europe--Politics and government--20th century.
Latin America--Politics and government--20th century.
Partido Aprista Peruano.
Peru--Politics and government--1919-1968.
Harvard subject headings:
Latin America--Politics and government--1830-1948.
Latin America--Politics and government--1948-1980.
Partido Aprista Peruano.
Peru--Politics and government--1919-1968
Princeton subject headings:
America--Politics and government.
Europe--Politics and government--20th century.
Latin America--Politics and government--20th century.
Partido Aprista Peruano.
Peru--Politics and government--1919-1968.