Columbia subject headings:
Catholic Church--Portugal--Porto--Bishops--Biography--Sources.
Catholic Church--Portugal--Porto--Bishops--Correspondence--Sources.
Church and state--Portugal--History--Sources.
Gomes, António Ferreira--Correspondence--Sources.
Gomes, António Ferreira.
Heads of state--Portugal--Correspondence--Sources.
Portugal--Politics and government--1933-1974--Sources.
Salazar, António de Oliveira, 1889-1970--Correspondence--Sources.
Harvard subject headings:
Gomes, António Ferreira.
Princeton subject headings: