Leonardo da Vinci /
Zubov, Vasilii Pavlovich.
Kraus, David H.
Cambridge (Mass.) : Harvard U.P. ; London : Distributed by Oxford U.P.,
1968.
Originally published as 'Leonardo da Vinchi' : Leningrad : Izd. A.N. S.S.S.R. : 1961.
Includes bibliography (p. 293-314) and index.
Leonardo, da Vinci, 1452-1519.