Columbia subject headings:
Leonardo, da Vinci, 1452-1519--Congresses.
Leonardo, da Vinci, 1452-1519--Influence--Congresses.
Russia--Civilization--Italian influences--Congresses.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Appreciation--Russia--History--Congresses.
Leonardo, da Vinci, 1452-1519--Congresses.
Leonardo, da Vinci, 1452-1519--Influence--Congresses.
Russia--Civilization--Italian influences--Congresses.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Congresses.
Leonardo, da Vinci, 1452-1519--Influence--Congresses.
Russia--Civilization--Italian influences--Congresses.