Columbia subject headings:
Gumucio, Ignacio, 1971---Catalogs.
Gumucio, Ignacio, 1971---Criticism and interpretation.
Harvard subject headings:
Gumucio, Ignacio, 1971---Catalogs.
Gumucio, Ignacio, 1971---Criticism and interpretation.
Princeton subject headings:
Gumucio, Ignacio, 1971---Catalogs.
Gumucio, Ignacio, 1971---Criticism and interpretation.