Columbia subject headings:
Intellectuals--Portugal--Biography.
Politicians--Portugal--Biography.
Portugal--Politics and government--1910-1974.
Proença, Raul.
Harvard subject headings:
Intellectuals--Portugal--Biography.
Portugal--Intellectual life--20th century.
Proença, Raul.
Princeton subject headings:
Portugal--Politics and government--1910-1974.
Proença, Raul.