Columbia subject headings:
Censorship--Portugal--History--20th century.
Police--Portugal--History.
Politics and literature.
Polícia Internacional e de Defesa do Estado (Portugal)--History.
Portugal--History--1910-1974.
Torga, Miguel, 1907-1995--Criticism and interpretation.
Torga, Miguel, 1907-1995--Political and social views.
Torga, Miguel, 1907-1995.
Harvard subject headings:
Polícia Internacional e de Defesa do Estado (Portugal)
Portugal--History--1910-1974.
Torga, Miguel, 1907-1995--Censorship.
Torga, Miguel, 1907-1995--Political and social views.
Princeton subject headings:
Polícia Internacional e de Defesa do Estado (Portugal)
Portugal--History--1910-1974.
Torga, Miguel, 1907-1995--Censorship.
Torga, Miguel, 1907-1995--Political and social views.