Columbia subject headings:
Leonardo, da Vinci, 1452-1519--Friends and associates.
Marco, d'Oggiono, approximately 1467-1524.
Melzi, Francesco, 1491 or 1493-approximately 1570.
Painters--Italy--Brianza--Biography.
Salai, Andrea, approximately 1480-1524.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Friends and associates.
Marco, d'Oggiono, approximately 1467-1524
Melzi, Francesco, 1491 or 1493-approximately 1570
Painters--Italy--Brianza--Biography.
Salai, Andrea, approximately 1480-1524
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Friends and associates.
Marco, d'Oggiono, approximately 1467-1524.
Melzi, Francesco, 1491 or 1493-approximately 1570.
Painters--Italy--Brianza--Biography.
Salai, Andrea, approximately 1480-1524.