Columbia subject headings:
Businessmen--Spain--Catalonia--History.
Industrial relations--Spain--Catalonia--History.
Middle class--Spain--Catalonia--History.
Spain--Economic conditions--19th century.
Spain--Politics and government--1868-1875.
Harvard subject headings:
Businessmen--Spain--Catalonia--History.
Industrial relations--Spain--Catalonia--History.
Middle class--Spain--Catalonia--History.
Spain--Economic conditions--19th century.
Spain--Politics and government--1868-1875.
Princeton subject headings: