| #331 | Cornell focus. -- : Cornell Univ., 1992-2003. -- ISSN 1067-585X |
| #332 | The Cornell veterinarian. -- Ithaca : Cornell University, 1911-1994. -- ISSN 0010-8901 |
| #333 | COSSMA : cosmetics spray technology marketing. -- Karlsruhe : Health and Beauty Business Media, 2000-. -- ISSN 1439-7676 |
| #334 | Countryside. -- Brussels : European Landowners' Organization |
| #335 | Courrier de la Cellule environnement. -- Paris : INRA, 1987-1992. -- ISSN 0995-1083 print. -- ISSN 1778-7009 online |
| #336 | Critical reviews in food science and nutrition. -- Boca Raton : CRC Press, 1980-. -- ISSN 1040-8398 |
| #337 | Crop prospects and food situation. -- Rome : GIEWS, Global Information and Early Warning System on Food and Agriculture, 2006- |
| #338 | Crop science : Journal serving the international Community of Crop Scientists. -- Madison : Crop Science Society of America, 1961-. -- ISSN 0011-183X print. -- ISSN 1435-0653 online |
| #339 | Croplife. -- Willoughby : Meister, 2001-. -- ISSN 1535-3923 |
| #340 | Cryobiology. -- San Diego : Academic Press, 1964-. -- ISSN 0011-2240 print. -- ISSN 1090-2392 online |