| #341 | International journal of technology and human interaction. -- Hershey : Idea Group, 2005-. -- ISSN 1548-3908 print. -- ISSN 1548-3916 online |
| #342 | International zoo yearbook. -- London : Zoological Society of London, 1959-. -- ISSN 0074-9664 print. -- ISSN 1748-1090 online |
| #343 | Iowa State journal of research. -- Ames : Iowa State University Press, 1972-1988. -- ISSN 0092-6345 |
| #344 | ISIS : AN INTERNATIONAL REVIEW DEVOTED TO THE HISTORY OF SCIENCE ... -- Chicago : University of Chicago Press, 1913-. -- ISSN 0021-1753 print. -- ISSN 1545-6994 online |
| #345 | ISR. -- London : Heyden and Son, 1976-. -- ISSN 0308-0188 print. -- ISSN 1743-2790 online |
| #346 | Issues in innovation. -- Melbourne : Innovation Congress, 2004-. -- ISSN 1943-4820 |
| #347 | Issues in science and technology. -- Washington : National Academy of Sciences, 1984-. -- ISSN 0748-5492 print. -- ISSN 1938-1557 online |
| #348 | Istorija i metodologija jestestvennych nauk. -- Moskva : Izdatel'stvo Moskovskogo Universiteta, 1960-. -- ISSN 0579-0204 |
| #349 | Izvestiâ Sibirskogo otdeleniâ Akademii nauk SSSR. -- Novosibirsk : Novosibirkoje knižnoje izdat., 1938-. -- ISSN 0134-2428 |
| #350 | Izvestiya Physics of the Solid Earth. -- Washington : American Geophysical Union in cooperation with the Geological Society of America, 1992-. -- ISSN 1069-3513 print. -- ISSN 1531-8451 online |