| #611 | Ionics. -- Berlin : Springer, 1995-. -- ISSN 0947-7047 print. -- ISSN 1862-0760 online |
| #612 | IOP Conference Series : Earth and Environmental Science. -- Bristol : Institute of Physics Publishing, 2008-. -- ISSN 1755-1307 print. -- ISSN 1755-1315 online |
| #613 | IOP Conference Series : Materials Science and Engineering. -- Bristol : Institute of Physics Publishing, 2009-. -- ISSN 1757-8981 print. -- ISSN 1757-899X online |
| #614 | Iran power report. -- London : Business Monitor International, 2008-. -- ISSN 1755-7054 |
| #615 | IRE transactions on audio. -- New York : Institute of Radio Engineers, 1955-1962. -- ISSN 0096-1981 print. -- ISSN 2168-2984 online |
| #616 | IRE transactions on instrumentation. -- New York : Institute of Radio Engineers, 1955-1962. -- ISSN 0096-2260 print. -- ISSN 2168-1902 online |
| #617 | IRE transactions on microwave theory and techniques. -- New York : Institute of Radio Engineers, 1955-1962. -- ISSN 0097-2002 print. -- ISSN 2331-088X online |
| #618 | IRE transactions on nuclear science. -- New York : Institute of Radio Engineers, 1955-1962. -- ISSN 0096-2015 print. -- ISSN 2374-9814 online |
| #619 | IRE Transactions on Radio Frequency Interference. -- New York : Institute of Radio Engineers, 1959-1963 |
| #620 | IRE transactions on radio frequency interference. -- USA : New York : Institute of Radio Engineers, 1959-. -- ISSN 0099-4545 |