| Abbreviation | Definition |
|---|---|
| EPL | Evanston Public Library's |
| EPPL | East Providence Public Library |
| EPPL | El Paso Public Library |
| EPPL | Estes Park Public Library |
| EPUB | electronic publication |
| ERL | Eastern Regional Libraries |
| ERL | Educational Resources Library |
| ERL | Electronic Resources Librarian |
| ERL | electronic resources library/librarian |
| ERL | Encounter Resource Library |
| ERR | Extended Resource Room |
| ERTF | E-Rate Task Force |
| ESPL | East Smithfield Public Library |
| ESPL | Eastern Shore Public Library |
| ESPL | Enterprise Solutions PEP Library |
| ESRL | Eastern Shore Regional Library |
| ESSL | Engineering and Scientific Subroutine Library |
| ESTC | English Short Title Catalogue |
| ESTE | Encyclopedia of Science, Technology, and Ethics |
| ETL | Embedded Template Library |