Columbia subject headings:
Harvard subject headings:
Exiles--Spain--History--19th century.
Liberalism--Spain--History--19th century
Spain--Emigration and immigration--History--19th century.
Princeton subject headings:
Exiles--Spain--History--19th century.
Political refugees--Spain--History--19th century.
Spain--Emigration and immigration--History--19th century.
Spain--Politics and government--1814-1868.
Spaniards--Foreign countries--History--19th century.