Columbia subject headings:
Harvard subject headings:
Governors--Mexico--Nuevo León (State)--Correspondence--Catalogs.
Manuscripts, Spanish--Mexico--Nuevo León (State)--Catalogs.
Nuevo León (Mexico : State)--Governors--Correspondence--Catalogs.
Nuevo León (Mexico : State)--History--Manuscripts--Catalogs.
Villarreal, Antonio I. (Antonio Ireneo), 1879-1944--Archives--Catalogs.
Villarreal, Antonio I. (Antonio Ireneo), 1879-1944--Correspondence--Catalogs.
Princeton subject headings:
Governors--Mexico--Nuevo León (State)--Correspondence--Catalogs.
Manuscripts, Spanish--Mexico--Nuevo León (State)--Catalogs.
Nuevo León (Mexico : State)--History--Manuscripts--Catalogs.
Villarreal, Antonio I. (Antonio Ireneo), 1879-1944--Archives--Catalogs.
Villarreal, Antonio I. (Antonio Ireneo), 1879-1944--Correspondence--Catalogs.