Columbia subject headings:
Leonardo, da Vinci, 1452-1519--Criticism and interpretation--History.
Leonardo, da Vinci, 1452-1519--Criticism and interpretation.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Appreciation--History--20th century.
Leonardo, da Vinci, 1452-1519--Criticism and interpretation--History--20th century.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Appreciation--History--20th century.
Leonardo, da Vinci, 1452-1519--Criticism and interpretation--History--20th century.