Columbia subject headings:
Buenos Aires (Argentina : Province)--History--Sources.
Land grants--Argentina--Buenos Aires (Province)
Harvard subject headings:
Buenos Aires (Argentina : Province)--History--Sources.
Land grants--Argentina--Buenos Aires (Province)--History--Sources.
Land tenure--Argentina--Buenos Aires (Province)--History--Sources.
Princeton subject headings:
Buenos Aires (Argentina : Province)--History--Sources.
Land grants--Argentina--Buenos Aires (Province).