Visualized Knowledge: an Interpretation of Leonardo's Madrid Codices by Professor Ludwig H. Heydenreich. A Special Address Given to Commemorate a Preview of Original Folios From the Madrid Manuscripts of Leonardo Da Vinci.
Washington, D.C. [Smithsonian Institution], 1974. 15 pp. 8vo. Stapled illustrated paper wrappers. First edition. Given Monday evening September 30, 1974. National Museum of History and Technology. A fine copy. More