Columbia subject headings:
Harvard subject headings:
Portugal--History--Caricatures and cartoons.
Public opinion--Portugal--History.
Princeton subject headings:
Portugal--Politics and government--1861-1889--Caricatures and cartoons.
Portugal--Politics and government--1889-1908--Caricatures and cartoons.
Public opinion--Portugal--History--19th century.
Public opinion--Portugal--History--20th century.