Columbia subject headings:
Authors, Peruvian--20th century--Correspondence--Catalogs.
Pennsylvania State University. Libraries--Catalogs.
Politics and literature--Latin America--History--20th century--Sources--Bibliography--Catalogs.
Sánchez, Luis Alberto, 1900-1994--Correspondence--Catalogs.
Harvard subject headings:
Authors, Peruvian--20th century--Correspondence--Catalogs.
Pennsylvania State University. Libraries--Catalogs.
Politics and literature--Latin America--History--20th century--Sources--Bibliography--Catalogs.
Sánchez, Luis Alberto, 1900---Correspondence--Catalogs.
Princeton subject headings:
Authors, Peruvian--20th century--Correspondence--Catalogs.
Pennsylvania State University. Libraries--Catalogs.
Politics and literature--Latin America--History--20th century--Sources--Bibliography--Catalogs.
Sánchez, Luis Alberto, 1900-1994--Correspondence--Catalogs.