Columbia subject headings:
Harvard subject headings:
Documentary photography--Political aspects--Portugal--History--20th century.
Photobooks--Political aspects--Portugal--History--20th century.
Portugal--Politics and government--1933-1974
Propaganda--Portugal--History--20th century.
Publishers and publishing--Political aspects--Portugal--History--20th century.
Publishers and publishing--Portugal--History--20th century.
Princeton subject headings:
Portugal--Politics and government--1933-1974.
Propaganda--Portugal--History--20th century.
Publishers and publishing--Political aspects--Portugal--History--20th century.
Publishers and publishing--Portugal--History--20th century.