Columbia subject headings:
Harvard subject headings:
Archives--Philippines--Manila--Catalogs.
Manuscripts--Philippines--Catalogs.
Rare books--Philippines--Catalogs.
University of Santo Tomás. Archivo--Catalogs.
Princeton subject headings:
Archives--Phillipines--Catalogs.
Rare books--Phillipines--Catalogs.
University of Santo Tomás. Archivo--Catalogs.