Columbia subject headings:
Authors, Colombian--20th century--Correspondence.
Mutis, Álvaro--Correspondence.
Harvard subject headings:
Authors, Colombian--20th century--Correspondence.
Mutis, Alvaro--Correspondence.
Princeton subject headings:
Authors, Colombian--20th century--Correspondence.
Mutis, Álvaro--Correspondence.
Poniatowska, Elena--Correspondence.