Columbia subject headings:
Architecture.
Artists--Italy--Biography.
Leonardo, da Vinci, 1452-1519.
Painters--Italy--Biography.
Science.
Technology.
Harvard subject headings:
Artists--Italy--Biography.
Leonardo, da Vinci, 1452-1519
Leonardo, da Vinci, 1452-1519--Contributions in architecture.
Leonardo, da Vinci, 1452-1519--Contributions in science.
Leonardo, da Vinci, 1452-1519--Contributions in technology.
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Painters--Italy--Biography.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.