| Abbreviation | Definition |
|---|---|
| JCL | JEDI Code Library |
| JClinEpidemiol | Journal of Clinical Epidemiology |
| JCLL | Jackson County Law Library |
| JCLS | Jefferson County Library System |
| JCO | Journal of Clinical Oncology |
| JCombustionToxicol | Journal of Combustion Toxicology |
| JCP | Journal of Clinical Psychiatry |
| JCPLA | Jefferson County Public Library Association |
| JDBL | Joseph Dessert Branch Library |
| JDL | Jackson District Library |
| JDL | Joint Data Library |
| JEconEntomol | Journal of Economic Entomology |
| JEDI | Japanese English Dictionary Interface |
| JEN | Journal of Emergency Nursing |
| JEnvironPatholToxicol | Journal of Environmental Pathology and Toxicology |
| JEurAcadDermatolVenereol | Journal of the European Academy of Dermatology and Venerology |
| JEurToxicol | Journal Europeen de Toxicologie (European Journal of Toxicology) |
| JExpMed | Journal of Experimental Medicine |
| JFireSci | Journal of Fire Sciences |
| JFL | Jerry Falwell Library |