| #21 | Electronic Applications. -- NETHERLANDS : Eindhoven : Philips, 1955-1964. -- ISSN 0374-2938 |
| #22 | Electronic Applications Bulletin. -- NETHERLANDS : Eindhoven : Philips, 1972-. -- ISSN 0013-4821 |
| #23 | Electronic applications components and materials. -- NETHERLANDS : Eindhoven : Philips, 1965-1971. -- ISSN 0373-6695 |
| #24 | Electronic entertainment. -- UNITED STATES : San Mateo, CA : Infotainment World, 1994-1995. -- ISSN 1074-1356 |
| #25 | Electronic systems news. -- Hitchin : Institution of Electrical Engineers, 1980-1989. -- ISSN 0265-0096 print. -- ISSN 2054-0310 online |
| #26 | Electronics. -- Stevenage : Institution of Engineering and Technology, 2007. -- ISSN 1754-1778 print. -- ISSN 1754-1786 online |
| #27 | Electronics education. -- London : Institution of Electrical Engineers, 1990-2009. -- ISSN 0957-2953 |
| #28 | Electronics systems and software. -- Stevenage : Institution of Electrical Engineers, 2003-2007. -- ISSN 1479-8336 print. -- ISSN 1741-0479 online |
| #29 | Electronics world. -- UNITED STATES : New York : Ziff-Davis Pub. Co., 1959-1971. -- ISSN 0013-5232 |
| #30 | Enterprise systems : main frame, data center high-end server solution for IT. -- Spojené státy americké : 1105 Media Inc., Chatsworth, CA, 1987-. -- ISSN 1533-8983 |