| Abbreviation | Definition |
|---|---|
| JNL | JTIDS Network Library |
| JNSF | Journal of the National Science Foundation |
| JOccupMed | Journal of Occupational Medicine |
| JOGNN | Journal of Obstetrical, Gynecologic and Neonatal Nursing |
| JOL | John Oxley Library |
| JOsakaCtyMedCntr | Journal of the Osaka City Medical Center |
| JPatholBacteriol | Journal of Pathology and Bacteriology (London) |
| JPharmacol | Journal de Pharmacologie (Paris) |
| JPharmacolExpTher | Journal of Pharmacology and Experimental Therapeutics |
| JPharmPharmacol | Journal of Pharmacy and Pharmacology (London) |
| JPharmSci | Journal of Pharmaceutical Sciences |
| JPL | Jacksonville Public Library |
| JPL | John Peace Library |
| JPRS | Joint Publications Research Service |
| JPTL | Java Polygon Triangulation Library |
| JRL | John Rylands Library |
| JRoyalArmyMedCorps | Journal of the Royal Army Medical Corps |
| JSL | Java Search Library |
| JSL | Java Standard Library |
| JSML | Jacob Sears Memorial Library |