| #1441 | Regulus : Wissenschaftliche Berichte. -- Kockelcheuer : Lëtzebuerger Natur - a Vulleschutzliga, 1997-. -- ISSN 1727-088X |
| #1442 | Reproduction : The Official Journal of the Society for the Study of Fertility. -- Colchester : Portland Press, 2001-. -- ISSN 1470-1626 |
| #1443 | Reproduction, fertility and development. -- Melbourne : CSIRO, 1989-. -- ISSN 1031-3613 |
| #1444 | Reproductive medicine and biology. -- Tokyo : Blackwell, 2002-. -- ISSN 1445-5781 print. -- ISSN 1447-0578 online |
| #1445 | Research in immunology. -- Paris : Elsevier, 1989-1998. -- ISSN 0923-2494 print. -- ISSN 1879-1425 online |
| #1446 | Research in microbiology. -- Paris : Elsevier, 1989-. -- ISSN 0923-2508 print. -- ISSN 1769-7123 online |
| #1447 | Research in virology. -- Paris : Elsevier, 1989-1998. -- ISSN 0923-2516 print. -- ISSN 1879-1417 online |
| #1448 | Review of palaeobotany and palynology. -- Amsterdam : Elsevier, 1967-. -- ISSN 0034-6667 print. -- ISSN 1879-0615 online |
| #1449 | Reviews in environmental science and bio-technology. -- Dordrecht : Kluwer Academic Publishers, 2002-. -- ISSN 1569-1705 print. -- ISSN 1572-9826 online |
| #1450 | Reviews in fish biology and fisheries. -- London : Chapman & Hall, 1991-. -- ISSN 0960-3166 print. -- ISSN 1573-5184 online |