Columbia subject headings:
Biblioteca Nacional (Chile)--Catalogs.
Chilean periodicals--Bibliography--Catalogs.
Periodicals in microform--Bibliography--Catalogs.
Harvard subject headings:
Biblioteca Nacional (Chile)--Microform catalogs.
Chilean newspapers--Bibliography--Microform catalogs.
Chilean periodicals--Bibliography--Microform catalogs.
Princeton subject headings:
Biblioteca Nacional (Chile)--Catalogs.
Chilean periodicals--Bibliography--Catalogs.
Periodicals in microform--Bibliography--Catalogs.