Columbia subject headings:
Bourbon, House of.
Bécquer, Gustavo Adolfo, 1836-1870.
Bécquer, Valeriano, 1834-1870.
Spain--History--19th century.
Harvard subject headings:
Erotic drawing--Spain.
Isabella II, Queen of Spain, 1830-1904--Caricatures and cartoons.
Spain--History--Isabella II, 1833-1868--Caricatures and cartoons.
Spain--Kings and rulers--Humor.
Spanish wit and humor, Pictorial.
Princeton subject headings:
Bécquer, Gustavo Adolfo, 1836-1870.
Bécquer, Valeriano, 1834-1870.
Bourbon, House of.
Spain--History--19th century.