| #201 | Energy sources. -- New York : Taylor & Francis, 1973-2005. -- ISSN 0090-8312 print. -- ISSN 1521-0510 online |
| #202 | Engineering and mining journal. -- New York : Maclean Hunter Publishing Co., 1926-. -- ISSN 0095-8948 |
| #203 | Engineering geology. -- Amsterodam : Elsevier, 1965-. -- ISSN 0013-7952 print. -- ISSN 1872-6917 online |
| #204 | Engineering Mechanics. -- Praha : Engineering Academy of the Czech Republic, 2005-. -- ISSN 1802-1484 |
| #205 | Environmental progress. -- New York : American Institute of Chemical Engineers, 1982-2008. -- ISSN 0278-4491 |
| #206 | Environmental science & technology. -- Washington : American Chemical Society, 1967-. -- ISSN 0013-936X print. -- ISSN 1520-5851 online |
| #207 | ERA 21. -- Brno : ERA 21, 2005-. -- ISSN 1801-089X |
| #208 | Estudos, notas e trabalhos. -- Porto : Direcção-Geral de Minas e Serviços Geológicos, 1945-. -- ISSN 0370-0607 |
| #209 | ETZ : Elektrotechnik und automation. -- Berlin : VDE-Verlag, 1995-. -- ISSN 0948-7387 |
| #210 | Euro. -- Praha : Euronews, 1998-. -- ISSN 1212-3129 |