Columbia subject headings:
Harvard subject headings:
Authors, Peruvian--20th century--Correspondence.
Haya de la Torre, Víctor Raúl, 1895-1979
Politicians--Peru--Correspondence.
Sánchez, Luis Alberto, 1900---Correspondence.
Princeton subject headings:
Partido Aprista Peruano.
Peru--Politics and government--1919-1968.