Columbia subject headings:
Italy--Civilization--1268-1559.
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Leonardo, da Vinci, 1452-1519--Knowledge and learning.
Renaissance--Italy.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Leonardo, da Vinci, 1452-1519--Knowledge and learning.
Painting, Renaissance--Italy
Princeton subject headings:
Italy--Civilization--1268-1559.
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Leonardo, da Vinci, 1452-1519--Knowledge and learning.
Renaissance--Italy.