Browse Subjects - I
- Iconography
- Ptak Science Books (2008 - ), John Ptak
- Indexes
- History of Science / Science Studies Reference Sources (1994 - ), Doug Stewart
- India, civilization and culture
- Sciamvs: Sources and Commentaries in Exact Sciences (2000 - )
- Industrial engineering
- Quaderns d'Història de l'Enginyeria (1996 - )
- Information technology
- IEEE Annals of the History of Computing (1979 - )
- Inorganic chemistry
- Foundations of Chemistry (1999 - )
- Instruments, astronomical
- Bulletin of the Scientific Instrument Society (1983 - )
- Harvard's Collection of Historical Scientific Instruments
- Rittenhouse: Journal of the American Scientific Instrument Enterprise (1986 - )
- Instruments, navigational
- Bulletin of the Scientific Instrument Society (1983 - )
- Instruments, Thermometric
- History of Oceanography: NOAA Photo Library
- International Academy of the History of Science
- Archives Internationales d'Histoire des Sciences (1919 - )
- International Geophysical Year (IGY)
- Sputnick: The 50th Anniversary
- International Society for the History of the Neurosciences (ISHN)
- International Society for the History of the Neurosciences (ISHN)
- International Union of the History and Philosophy of Science
- Historia Mathematica (1974 - )
- Internet
- Imaginary Magnitude (2003 - ), Gustav Holmberg
- Invertebrate zoology
- Five Centuries of Veterinary Medicine: A Short-Title Catalog of the Washington State University Veterinary History Collection (1997 - ), J. Fred and Ann Smithcors