Text ( visual ) : unmediated Leonardo da Vinci / Bruno Santi. -- Firenze : Becocci : Scala , c1980. -- 78 p. : ill. (some col.), facsims. ; 28 cm. -- On spine: Italiano. -- (BB20834840) ; https://ci.nii.ac.jp/ncid/BB20834840 Author Heading(s): Leonardo, da Vinci ; Santi, Bruno. -- Classification(s): LCC : ND623.L5 ; DC : 759.5. -- Subject Heading(s): LCSH : Leonardo, da Vinci, 1452-1519