| #51 | ICAO bulletin : International Civil Aviation Organization : A Specialized Agency in Relationship with the United Nations. -- Spojené státy americké : Montreal : International Civil Aviatin Organization,, 1953-1989. -- ISSN 0018-8778 |
| #52 | Impeller : News magazine from ITT Flygt AB. -- Stockholm : Appelberg Publications AB, 1962-. -- ISSN 0345-5181 |
| #53 | Informační servis ČSTZ. -- Praha : České sdružení pro technická zařízení, 1996-. -- ISSN 1212-8929 |
| #54 | International Journal of Ecohydrology & Hydrobiology. -- Warsaw : Polish Academy of Sciences, 2001-. -- ISSN 1642-3593 print. -- ISSN 2080-3397 online |
| #55 | International journal of river basin management. -- Madrid : International Association of Hydraulic Engineering and Research, 2003-. -- ISSN 1571-5124 print. -- ISSN 1814-2060 online |
| #56 | International journal of water resources development. -- Abingdon : Taylor & Francis, 1983-. -- ISSN 0790-0627 print. -- ISSN 1360-0648 online |
| #57 | International journal on hydropower & dams. -- Sutton : Aqua-Media International, 1994-. -- ISSN 1352-2523 |
| #58 | International water power & dam construction. -- Sutton : Reed Business Publishing, 1975-. -- ISSN 0306-400X |
| #59 | Irrigation and Power Abstracts. -- Indie : New Delhi : Central Board of Irrigation and Power, 1967 |
| #60 | Irrigation engineering and maintenance. -- Spojené státy : New Orleans : Peace, 1951-1967 |