Columbia subject headings:
Harvard subject headings:
Agriculture--Spain--Cantabria--History--18th century.
Agriculture--Spain--Cantabria--History--19th century.
Cantabria (Spain)--Economic conditions.
Princeton subject headings:
Agriculture--Economic aspects--Spain--Cantabria--History.
Cantabria (Spain)--Commerce--History.
Cattle trade--Spain--Cantabria--History.
Transportation--Social aspects--Spain--Cantabria--History.