| Abbreviation | Definition |
|---|---|
| JSocOccupMed | Journal of the Society of Occupational Medicine (Edinburgh) |
| JSTL | JAVA Standard Tag Library |
| JSTL | Joe Skelly's Tape Library |
| JSTL | JSP Standard Template Library |
| JTCL | Java Text Categorizing Library |
| JTCVS | Journal of Thoracic and Cardiovascular Surgery |
| JTL | John Thompson Library, Bronx Psychiatric Hospital |
| JToxicolEnvironHealth | Journal of Toxicology and Environmental Health |
| JToxicolSci | Journal of Toxicological Sciences (Japan) |
| JUH | Journal of Urban Health |
| JUL | Joint Use Library |
| JULD | Jericho Underhill Library District |
| JVB | James V. Brown Library, Williamsport, Pennsylvania |
| JVK | Jihoceska Vedecka Knihovna |
| JVL | Jewish Virtual Library |
| JWBL | Juvenile Welfare Board Library |
| JYLO | Jewish Youth Library of Ottawa (Canada) |
| KBART | Knowledge Bases And Related Tools |
| KCFB | Kansas Center For the Book |
| KCL | Kinesis Client Library |