Columbia subject headings:
Graphic arts--Puerto Rico.
Puerto Rico--Poster collections--20th century.
Serigraphy--Puerto Rico--20th century.
Harvard subject headings:
Graphic arts--Puerto Rico.
Puerto Rico--Poster collections--20th century.
Serigraphy--20th century--Puerto Rico.
Serigraphy--Puerto Rico--20th century.
Princeton subject headings:
Cajiga, Luis G., 1934---Catalogs.
Catalogs.