| #4461 | Journal of number theory. -- New York : Academic Press, 1969-. -- ISSN 0022-314X print. -- ISSN 1096-1658 online |
| #4462 | Journal of object-oriented programming. -- New York : SIGS Publications, 1988-. -- ISSN 0896-8438 |
| #4463 | Journal of Occupational Accidents. -- Holandsko - Nizozemí : Amsterdam : Elsevier, 1976-. -- ISSN 0376-6349 |
| #4464 | Journal of optical communications. -- Berlin : Fachverlag Schiele & Schön, 1980-. -- ISSN 0173-4911 print. -- ISSN 2191-6322 online |
| #4465 | Journal of optical communications and networking. -- Washington : Optical Society of America, 2009-. -- ISSN 1943-0620 print. -- ISSN 1943-0639 online |
| #4466 | Journal of optics. -- Paris : Masson, 1977-1998. -- ISSN 0150-536X |
| #4467 | Journal of optics, A, Pure and applied optics. -- Bristol : Institute of Physics Publishing, 1999-2009. -- ISSN 1464-4258 print. -- ISSN 1741-3567 online |
| #4468 | Journal of optimization theory and applications. -- New York : Plenum Pub. Corp., 1967-. -- ISSN 0022-3239 print. -- ISSN 1573-2878 online |
| #4469 | Journal of organic chemistry. -- Washington : American Chemical Society, 1936-. -- ISSN 0022-3263 print. -- ISSN 1520-6904 online |
| #4470 | Journal of organometallic chemistry. -- Lausanne : Elsevier Sequoia, 1963-. -- ISSN 0022-328X print. -- ISSN 1872-8561 online |