Columbia subject headings:
Harvard subject headings:
Pessanha, Camilo, 1867-1926--Correspondence.
Poets, Portuguese--19th century--Correspondence.
Poets, Portuguese--20th century--Correspondence.
Princeton subject headings:
Pessanha, Camilo, 1867-1926. Correspondence.
Poets, Portuguese--19th century--Correspondence.
Poets, Portuguese--20th century--Correspondence.