1. MS Facsimile 856 (4) Reference (shelfmark): MS Facsimile 856 (4) Title: Scope & Content: LEONARDO DA VINCI: De codices Madrid. Biblioteca Nacional, Madrid. Commentary, transcription and translation by Ladislao Reti. Utrecht, Spectrum 1974. Fourth part. Collection Area: Western Manuscripts Languages: English Date Range: 1974 Extent: 1 volume