Columbia subject headings:
Artists--Italy--Biography.
Leonardo, da Vinci, 1452-1519--Knowledge and learning.
Science.
Scientists--Italy--Biography.
Harvard subject headings:
Artists--Italy--Biography
Leonardo
Leonardo, da Vinci, 1452-1519
Scientists--Italy--Biography
Princeton subject headings:
Artists--Italy--Biography.
Leonardo, da Vinci, 1452-1519--Knowledge--Science.
Scientists--Italy--Biography.