1. Medical incunabula and the diffusion of scientific knowledge: incunabula in the National Library of Medicine Author(s): Krivatsy, Peter, 1922- Publication: [Bethesda, Md.] : U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, [1984] Subject(s): Incunabula as TopicHistory of MedicineScience -- history