| Abbreviation | Definition |
|---|---|
| GL | Grey Literature |
| GLA | Georgia Library Association |
| GLAM | Galleries Libraries Archives and |
| GLAM | Galleries Libraries Archives Museums |
| GLAS | Graphical Library Automated System |
| GLASS | Georgia Libraries for Accessible Statewide Services |
| GLASS | Government Libraries And Social Sciences |
| GLC | Guidance Library And Computer |
| GLEAN | Georgia Library Education Access Network |
| GLH | Graphics Library Helper |
| GLL | Government Law Libraries |
| GLMA | Georgia Library Media Association |
| GLN | Gigabit Libraries Network |
| GLOB | Garfield Library Of Brunswick |
| GLOP | Graphical Library Object Parser |
| GLOS | Glossary |
| GLP | Graduate Library Preprofessional |
| GLR | grey literature report |
| GLUE | Glueing Libraries Using EcmaScript |
| GLV | Graphics Library of Views |