| #451 | Energy in agriculture. -- Amsterdam : Elsevier, 1981-. -- ISSN 0167-5826 print. -- ISSN 1878-2515 online |
| #452 | Entomologica Fennica. -- Helsinki : Entomologica Fennica, 1990-. -- ISSN 0785-8760 |
| #453 | Entomologische Nachrichten und Berichte. -- Dresden : B. Klausnitzer, 1982-. -- ISSN 0232-5535 |
| #454 | Entomophaga. -- Paris : Internat. Organization for Biolog. Control of Noxious Animal, 1956-. -- ISSN 0013-8959 |
| #455 | Entwicklung und ländlicher Raum. -- Frankfurt am Main : DLG-Verlags-GmbH., 1974-. -- ISSN 0343-6462 |
| #456 | Environment : science and policy for sustainable development. -- New York : Taylor & Francis, 1969-. -- ISSN 0013-9157 print. -- ISSN 1939-9154 online |
| #457 | Environment. -- Washington : Scientists' Institute for Public Information, 1969-. -- ISSN 0013-9157 print. -- ISSN 1939-9154 online |
| #458 | Environmental and experimental botany. -- Oxford : Pergamon, 1976-. -- ISSN 0098-8472 |
| #459 | Environmental conservation. -- Lausanne : Foundation for Environmental Conservation, 1974-. -- ISSN 0376-8929 print. -- ISSN 1469-4387 online |
| #460 | Environmental policy and law. -- Lausanne : IOS Press, 1975-. -- ISSN 0378-777X print. -- ISSN 1878-5395 online |