Columbia subject headings:
Authors, Spanish--20th century--Correspondence.
Authors, Venezuelan--20th century--Correspondence.
Rivas, Reyna--Correspondence.
Women authors, Spanish--20th century--Correspondence.
Women authors, Venezuelan--20th century--Correspondence.
Zambrano, María--Correspondence.
Harvard subject headings:
Authors, Spanish--20th century--Correspondence
Zambrano, María. Correspondence.
Princeton subject headings:
Authors, Spanish--20th century--Correspondence.
Zambrano, María. Correspondence.