| #331 | Cereal foods world. -- St. Paul : American Association of Cereal Chemists, 1975-. -- ISSN 0146-6283 |
| #332 | Cereal chemistry. -- St. Paul : American Association of Cereal Chemists, 1924-. -- ISSN 0009-0352 print. -- ISSN 1943-3638 online |
| #333 | Cereal research communications. -- Szeged : Cereal Research Institute, 1973-. -- ISSN 0133-3720 print. -- ISSN 1788-9170 online |
| #334 | Cereale si plante tehnice. -- Bucureşti : Agris, 1990-. -- ISSN 1220-1197 |
| #335 | Ceres. -- Rome : Food and Agriculture Organization of the United Nations, 1968-1996. -- ISSN 0009-0379 |
| #336 | CFCA actualités. -- Paris : SODIAP Société de diffusion d'informations agricoles et de presse, 1990-2005. -- ISSN 1167-3702 |
| #337 | Ciência e Agrotecnologia. -- Lavras : Universidade Federal de Lavras, 1996-. -- ISSN 1413-7054 print. -- ISSN 1981-1829 online |
| #338 | Clinica veterinaria. -- Milano : Istituto Sieroterapico Milanese, 1878-1988. -- ISSN 0009-9082 |
| #339 | Clinical and experimental pharmacology and physiology. -- Oxford : Blackwell, 1974-. -- ISSN 0305-1870 |
| #340 | Clinical physiology. -- Oxford : Blackwell, 1981-2001. -- ISSN 0144-5979 print. -- ISSN 1365-2281 online |