Columbia subject headings:
Portugal--Politics and government--1926-1933--Sources.
Portugal--Politics and government--1933-1974--Sources.
Salazar, António de Oliveira, 1889-1970.
Harvard subject headings:
Portugal--Politics and government--1926-1933--Sources.
Portugal--Politics and government--1933-1974--Sources.
Salazar, António de Oliveira, 1889-1970
Princeton subject headings:
Portugal--Politics and government--1918-1974.
Salazar, António de Oliveira, 1889-1970.