The unknown Leonardo /
Reti, Ladislao.
The unknown Leonardo / edited by Ladislao Reti ; designed by Emil M. B�uhrer. - London : Hutchinson, 1974. - 319 p. : ill. (some col.), facsims., maps (chiefly col.), ports.
009120660X
Leonardo, da Vinci, 1452-1519
Madrid. Biblioteca Nacional. --MSS. (8936-8937)
The unknown Leonardo / edited by Ladislao Reti ; designed by Emil M. B�uhrer. - London : Hutchinson, 1974. - 319 p. : ill. (some col.), facsims., maps (chiefly col.), ports.
009120660X
Leonardo, da Vinci, 1452-1519
Madrid. Biblioteca Nacional. --MSS. (8936-8937)