Columbia subject headings:
Businessmen--Spain--Catalonia--History.
Catalonia (Spain)--Economic conditions.
Catalonia (Spain)--Social conditions.
Middle class--Spain--Catalonia--History.
Harvard subject headings:
Businessmen--Spain--Catalonia--History.
Catalonia (Spain)--Economic conditions.
Catalonia (Spain)--Social conditions.
Middle class--Spain--Catalonia--History.
Princeton subject headings:
Businessmen--Spain--Catalonia--History.
Catalonia (Spain)--Economic conditions.
Catalonia (Spain)--Social conditions.
Middle class--Spain--Catalonia--History.