Columbia subject headings:
Leonardo, da Vinci, 1452-1519.
Windsor, House of--Art collections.
Harvard subject headings:
Windsor, House of--Art collections.
Princeton subject headings:
Catalogs.
Drawing--Private collections--England--Windsor (Berkshire)--Catalogs.
Elizabeth II, Queen of Great Britain, 1926-2022--Art collections--Catalogs.
Leonardo, da Vinci, 1452-1519--Catalogs.
Windsor Castle. Royal Library--Catalogs.