Columbia subject headings:
Authors, Peruvian--20th century--Correspondence.
Mariátegui, José Carlos, 1894-1930--Correspondence.
Peru--Politics and government--1919-1968.
Harvard subject headings:
Communists--Peru--Correspondence.
Journalists--Peru--Correspondence.
Mariátegui, José Carlos, 1894-1930
Mariátegui, José Carlos, 1894-1930. Correspondence
Peru--Politics and government--1919-1968
Princeton subject headings:
Authors, Peruvian--Correspondence.
Mariátegui, José Carlos, 1894-1930. Correspondence.
Peru--Politics and government--1919-1968.