Columbia subject headings:
Buenos Aires (Argentina : Province)--Economic conditions--18th century.
Cattle trade--Argentina--Buenos Aires--History.
Land tenure--Argentina--Buenos Aires (Province)--History.
Landowners--Argentina--Buenos Aires (Province)--History.
Harvard subject headings:
Buenos Aires (Argentina)--Economic conditions.
Cattle trade--Argentina--Buenos Aires--History.
Salt industry and trade--Argentina--Buenos Aires--History.
Princeton subject headings:
Cattle trade--Argentina--Buenos Aires--History.