| #301 | Journal of immunology. -- Bethesda : American Association of Immunologists, 1950-. -- ISSN 0022-1767 print. -- ISSN 1550-6606 online |
| #302 | The Journal of infectious diseases. -- Chicago : University of Chicago Press, 1904-. -- ISSN 0022-1899 print. -- ISSN 1537-6613 online |
| #303 | The Journal of laboratory and clinical medicine. -- St. Louis : Mosby, 1915-2006. -- ISSN 0022-2143 print. -- ISSN 1532-6543 online |
| #304 | Journal of medicinal and pharmaceutical chemistry. -- Washington : American Chemical Society, 1959-1962. -- ISSN 0095-9065 |
| #305 | Journal of medicinal chemistry. -- Washington : American Chemical Society, 1963-. -- ISSN 0022-2623 print. -- ISSN 1520-4804 online |
| #306 | The Journal of nutrition. -- Bethesda : American Society for Nutrition Sciences, 1928-. -- ISSN 0022-3166 print. -- ISSN 1541-6100 online |
| #307 | Journal of organic chemistry. -- Washington : American Chemical Society, 1936-. -- ISSN 0022-3263 print. -- ISSN 1520-6904 online |
| #308 | Journal of parasitology. -- Lawrence : American Society of Parasitologists, 1914-. -- ISSN 0022-3395 print. -- ISSN 1937-2345 online |
| #309 | Journal of pharmaceutical sciences. -- Washington : American Pharmaceutical Association, 1961-. -- ISSN 0022-3549 print. -- ISSN 1520-6017 online |
| #310 | Journal of Reproduction and Fertility. -- Cambridge : Cambridge University Press, 1960-2000. -- ISSN 0022-4251 |