21. The new great poster craze Publication: [Bethesda, Md. : Medical Arts and Photography Branch, National Institutes of Health], 1969 Subject(s): ArtCommunications Media
22. Leonardo and the unity of art and science Publication: [Bethesda, Md.] : National Library of Medicine, 2008 Subject(s): ArtArchitectureMathematical ConceptsLeonardo, da Vinci, 1452-1519.