| #291 | Elektrotechnický časopis. -- Bratislava : Elektrotechnická fakulta STU : Elektrotechnický ústav SAV, 1959-1994. -- ISSN 0013-578X |
| #292 | Elementa. -- Uppsala, 1938-. -- ISSN 0013-5933 |
| #293 | Elemente der Mathematik. -- Basel : EMS Publishing House, 1946-. -- ISSN 0013-6018 print. -- ISSN 1420-8962 online |
| #294 | EMS Surveys in Mathematical Sciences. -- Zürich : European Mathematical Society, 2014-. -- ISSN 2308-2151 |
| #295 | Endeavour : a quarterly review designed to record the progress of the sciences in the service of mankind. -- London : Imperial Chemical Industries, 1942-1976. -- ISSN 0160-9327 print. -- ISSN 1873-1929 online |
| #296 | L'Enseignement mathématique. -- Geneve : Universite de Geneve, 1899-. -- ISSN 0013-8584 |
| #297 | Eurasian mathematical journal. -- Astana : L.N. Gumilyov Eurasian National University, 2010-. -- ISSN 2077-9879 |
| #298 | European journal of applied mathematics. -- Cambridge : Cambridge University Press, 1990-. -- ISSN 0956-7925 print. -- ISSN 1469-4425 online |
| #299 | Extracta mathematicae. -- Badajoz : Departamento de Matematicas de La Universidad de Extramadura, 1986-. -- ISSN 0213-8743 |
| #300 | The Fibonacci Quarterly. -- Rochester : The Fibonacci Association, 1963-. -- ISSN 0015-0517 |