| #4251 | Journal of aircraft. -- Washington : American Institute of Aeronautics and Astronautics, 1964-. -- ISSN 0021-8669 print. -- ISSN 1533-3868 online |
| #4252 | Journal of analytical and applied pyrolysis. -- Amsterdam : Elsevier Science, 1979-. -- ISSN 0165-2370 |
| #4253 | Journal of analytical atomic spectrometry. -- Cambridge : Royal Society of Chemistry, 1986-. -- ISSN 0267-9477 print. -- ISSN 1364-5544 online |
| #4254 | Journal of antibiotics. -- Tokyo : Japan Antibiotics Research Association, 1947-1952. -- ISSN 0021-8820 |
| #4255 | Journal of antibiotics, series A. -- Tokyo : Japan Antibiotics Research Association, 1953-1967. -- ISSN 0368-1173 |
| #4256 | Journal of antibiotics, series B. -- Tokyo : Japan Antibiotics Research Association, 1953-1967. -- ISSN 0447-8991 |
| #4257 | Journal of AOAC International. -- Arlington : AOAC International, 1992-. -- ISSN 1060-3271 print. -- ISSN 1944-7922 online |
| #4258 | Journal of Applied Electrochemistry. -- London : Chapman & Hall, 1971-. -- ISSN 0021-891X print. -- ISSN 1572-8838 online |
| #4259 | Journal of applied chemistry. -- London : Society of Chemical Industry, 1951-1970. -- ISSN 0021-8871 |
| #4260 | Journal of applied chemistry, abstracts. -- London : Society of Chemical Industry, 1954-1970. -- ISSN 0449-2196 |