Columbia subject headings:
Authors, Brazilian--20th century--Correspondence.
Bonvincino, Régis R.--Correspondence.
Leminski, Paulo--Correspondence.
Harvard subject headings:
Authors, Brazilian--20th century--Correspondence.
Bonvicino, Régis R.--Correspondence.
Leminski, Paulo--Correspondece.
Leminski, Paulo--Criticism and interpretation.
Princeton subject headings:
Authors, Brazilian--20th century--Correspondence.
Bonvincino, Régis R.--Correspondence.
Leminski, Paulo--Correspondence.