Columbia subject headings:
Harvard subject headings:
Authors, Portuguese--20th century--Correspondence
Carvalho, Joaquim de, 1892-1958--Correspondence.
Philosophers--Portugal--Correspondence.
Pimenta, Alfredo, 1882-1950--Correspondence.
Princeton subject headings:
Authors, Portuguese--20th century--Correspondence.
Carvalho, Joaquim de, 1892-1958--Correspondence.
Philosophers--Portugal--Correspondence.
Pimenta, Alfredo, 1882-1950--Correspondence.