Columbia subject headings:
Human rights--Spain--History--19th century.
Human rights--Spain--History--20th century.
Spain--Social conditions--19th century.
Spain--Social conditions--20th century.
Well-being--Spain.
Harvard subject headings:
Human rights--Spain--History--19th century.
Human rights--Spain--History--20th century.
Spain--History--19th century.
Spain--History--20th century.
Spain--Social conditions--19th century.
Spain--Social conditions--20th century.
Well-being--Spain.
Princeton subject headings:
Human rights--Spain--History--19th century.
Human rights--Spain--History--20th century.
Spain--Social conditions--19th century.
Spain--Social conditions--20th century.
Well-being--Spain.