Columbia subject headings:
Fascism and culture--Portugal--History--20th century--Congresses.
Fascism--Portugal--History--20th century--Congresses.
Portugal--Politics and government--20th century--Congresses.
Harvard subject headings:
Fascism--Portugal--History--Congresses.
Portugal--Politics and government--1933-1974--Congresses.
Princeton subject headings:
Fascism--Portugal--History.
Political parties--Portugal.
Portugal--Politics and government--1933-1974.
Working class--Political activity--Portugal.