Columbia subject headings:
Harvard subject headings:
Almirall, Valentí, 1841-1904--Political and social views.
Federal government--Spain--History--19th century.
Federal government--Spain--History.
Pí y Margall, Francisco, 1824-1901--Political and social views.
Republicanism--Spain--History--19th century.
Salmerón y Alonso, Nicolás, 1838-1908--Political and social views.
Spain--Politics and government.
Princeton subject headings:
Almirall, Valentí, 1841-1904--Political and social views.
Federal government--Spain--History.
Pí y Margall, Francisco, 1824-1901--Political and social views.
Salmerón y Alonso, Nicolás, 1838-1908--Political and social views.
Spain--Politics and government.