Columbia subject headings:
Harvard subject headings:
Pessoa, Fernando, 1888-1935--Political and social views.
Salazar, António de Oliveira, 1889-1970--In literature.
Princeton subject headings:
Poetry.
Portugal--History--1910-1974.
Salazar, António de Oliveira, 1889-1970--Poetry.
Salazar, António de Oliveira, 1889-1970.