Columbia subject headings:
Bordelois, Ivonne--Correspondence.
Pizarnik, Alejandra, 1936-1972--Correspondence.
Harvard subject headings:
Authors, Argentine--20th century--Correspondence
Pizarnik, Alejandra, 1936-1972--Correspondence.
Princeton subject headings:
Authors, Argentine--20th century--Correspondence.
Pizarnik, Alejandra, 1936-1972--Correspondence.