| #201 | Journal of obstetrics and gynaecology research. -- Tokyo : Blackwell, 1996-. -- ISSN 1341-8076 print. -- ISSN 1447-0756 online |
| #202 | Journal of oral pathology & medicine. -- Copenhagen : Blackwell, 1989-. -- ISSN 0904-2512 print. -- ISSN 1600-0714 online |
| #203 | Journal of oral rehabilitation. -- Oxford : Blackwell, 1974-. -- ISSN 0305-182X print. -- ISSN 1365-2842 online |
| #204 | The journal of peptide research. -- Copenhagen : Blackwell, 1997-2005. -- ISSN 1397-002X print. -- ISSN 1399-3011 online |
| #205 | Journal of periodontal research. -- Copenhagen : Blackwell, 1966-. -- ISSN 0022-3484 print. -- ISSN 1600-0765 online |
| #206 | Journal of phycology. -- New York : Blackwell, 1965-. -- ISSN 0022-3646 print. -- ISSN 1529-8817 online |
| #207 | Journal of phytopathology. -- Berlin : Blackwell, 1986-. -- ISSN 0931-1785 print. -- ISSN 1439-0434 online |
| #208 | Journal of pineal research. -- Copenhagen : Blackwell, 1984-. -- ISSN 0742-3098 print. -- ISSN 1600-079X online |
| #209 | Journal of popular culture. -- Oxford : Blackwell, 1967-. -- ISSN 0022-3840 print. -- ISSN 1540-5931 online |
| #210 | Journal of prosthodontics. -- Philadelphia : Blackwell, 1992-. -- ISSN 1059-941X print. -- ISSN 1532-849X online |