Columbia subject headings:
Catholics--Political activity--Spain.
Political parties--Spain--History--19th century.
Right and left (Political science)
Spain--Politics and government--1833-1868.
Spain--Politics and government--1868-1875.
Harvard subject headings:
Catholics--Spain--Political activity--History--19th century.
Political parties--Spain--History--19th century.
Spain--Politics and government--19th century.
Princeton subject headings:
Catholics--Spain--Political activity.
Political parties--Spain--History--19th century.
Right and left (Political science)
Spain--Politics and government--1833-1868.
Spain--Politics and government--1868-1875.