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| • | E-LIS - EPRINTS IN LIBRARY AND INFORMATION SCIENCE | |
| • | EASA - EUROPEAN UNION AVIATION SAFETY AGENCY | |
| • | ECHA - EUROPEAN CHEMICALS AGENCY | |
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| • | EFQM - EUROPEAN FOUNDATION FOR QUALITY MANAGEMENT | |
| • | EFSA - EUROPEAN FOOD SAFETY AUTHORITY | |
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| • | EHEDG - EUROPEAN HYGIENIC ENGINEERING AND DESIGN GROUP | |
| • | EIFL.NET - ELECTRONIC INFORMATION FOR LIBRARIES | |
| • | EL UNIVERSO DE EINSTEIN | |
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| • | ELECTROPEDIA | |
| • | ELOT - HELLENIC ORGANIZATION FOR STANDARDIZATION (GRECIA) | |
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| • | ENARGAS - ENTE NACIONAL REGULADOR DEL GAS | |
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| • | ENGLISH SPANISH DICTIONARY | |
| • | ENRE - ENTE NACIONAL REGULADOR DE LA ELECTRICIDAD | |
| • | ENVEJECIMIENTO EN RED - ENR | |
| • | EPA - ENVIRONMENTAL PROTECTION AGENCY (ESTADOS UNIDOS) | |
| • | EPO - EUROPEAN PATENT OFFICE | |
| • | EPRINTS | |
| • | EPTIS - EUROPEAN PROFICIENCY TESTING INFORMATION SYSTEM | |
| • | ERIC WEISSTEIN'S WORLD OF SCIENCE | |
| • | ESP@CENET | |
| • | ESTIR - ELECTROCHEMICAL SCIENCE AND TECHNOLOGY INFORMATION RESOURCE | |
| • | ETHOS - ELECTRONIC THESES ONLINE SERVICE | |
| • | ETSI - EUROPEAN TELECOMMUNICATIONS STANDARDS INSTITUTE (EUROPA) | |
| • | EUDEBA | |
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| • | EUROPEAN COATINGS NET | |
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