Columbia subject headings:
Harvard subject headings:
Education, Elementary--Argentina--Buenos Aires (Province)--History--19th century.
Education, Primary--Argentina--Buenos Aires (Province)--History--19th century.
Education--Argentina--Buenos Aires (Province)--History--19th century.
Princeton subject headings:
Buenos Aires (Argentina : Province)--History--19th century.
Education--Argentina--Buenos Aires (Province)--19th century.