Columbia subject headings:
Criado de Val, Manuel.
Spanish language--Grammar--Congresses.
Spanish language--History--Congresses.
Spanish language--Provincialisms--Congresses.
Spanish literature--History and criticism--Congresses.
Spanish philology--Congresses.
Harvard subject headings:
Criado de Val, Manuel.
Spanish language--Grammar--Congresses.
Spanish language--History--Congresses.
Spanish language--Provincialisms--Congresses.
Spanish literature--History and criticism--Congresses
Spanish philology--Congresses.
Princeton subject headings:
Criado de Val, Manuel--Congresses.
Spanish literature--Congresses.
Spanish philology--Congresses.