Columbia subject headings:
Giorgione, 1477 or 1478-1510--Criticism and interpretation.
Giorgione, 1477 or 1478-1510. Three philosophers.
Symbolism in art--Italy--Venice.
Harvard subject headings:
Giorgione, 1477 or 1478-1510--Criticism and interpretation.
Giorgione, 1477 or 1478-1510. Three philosophers.
Symbolism in art.
Princeton subject headings:
Giorgione, 1477-1511--Individual works--Three philosophers.