Columbia subject headings:
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Michelangelo Buonarroti, 1475-1564--Criticism and interpretation.
Raphael, 1483-1520--Criticism and interpretation.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Michelangelo Buonarroti, 1475-1564--Criticism and interpretation.
Raphael, 1483-1520--Criticism and interpretation.