| #261 | Energy & environmental science. -- Cambridge : Royal Society of Chemistry, 2008-. -- ISSN 1754-5692 print. -- ISSN 1754-5706 online |
| #262 | Entomological research. -- Seoul : Entomological Society of Korea, 2002-. -- ISSN 1738-2297 print. -- ISSN 1748-5967 online |
| #263 | Entomologische Nachrichten und Berichte. -- Dresden : B. Klausnitzer, 1982-. -- ISSN 0232-5535 |
| #264 | Entomophaga. -- Paris : Internat. Organization for Biolog. Control of Noxious Animal, 1956-. -- ISSN 0013-8959 |
| #265 | Environmental fluid mechanics. -- Dordrecht : Kluwer Academic Publishers, 2001-. -- ISSN 1567-7419 print. -- ISSN 1573-1510 online |
| #266 | Environmental policy and law. -- Lausanne : IOS Press, 1975-. -- ISSN 0378-777X print. -- ISSN 1878-5395 online |
| #267 | Epetēris Mouseiou Goulandrē. -- Kefisia : Mouseion Goulandre Fusikes Istorias, 1973-. -- ISSN 0302-1033 |
| #268 | Epocha : Rozhledy a úvahy časové z oboru techniky, průmyslu, řemesel, dopravy, národohospodářství, chemie, přírodovědy a vynálezů. -- Praha : České knihkupectví E. Weinfurtra v Praze, 1895-1914. -- ISSN 2464-8299 |
| #269 | Equine veterinary journal. -- London : Equine Veterinary Journal Ltd for the British Equine Veterinary Association, 1968-. -- ISSN 0425-1644 print. -- ISSN 2042-3306 online |
| #270 | Ergonomia. -- Wroclaw : Zaklad Narodowy im. Ossolińskich, 1978-. -- ISSN 0137-4990 |