| #301 | Canadian journal of plant pathology. -- Ottawa : Canadian Phytopathological Society, 1979-. -- ISSN 0706-0661 |
| #302 | Canadian Journal of Plant Science. -- Ottawa : Agricultural Institute of Canada, 1957-. -- ISSN 0008-4220 |
| #303 | Canadian Journal of Soil Science. -- Ottawa : Agricultural Institute of Canada, 1957-. -- ISSN 0008-4271 |
| #304 | Canadian journal of veterinary research. -- Otawa : Canadian Veterinary Medical Association, 1986-. -- ISSN 0830-9000 |
| #305 | Canadian plant disease survey. -- Ottawa : Agriculture Canada, 1960-2002. -- ISSN 0008-476X |
| #306 | Canadian veterinary journal. -- Ottawa : Canadian Veterinary Medical Association, 1960-. -- ISSN 0008-5286 |
| #307 | Candollea. -- Geneve : Conservatoire et Jardin botaniques, 1924-. -- ISSN 0373-2967 |
| #308 | CAP legislation weekly. -- Tunbridge Wells : Agra Europe, 1994-. -- ISSN 1356-5508 |
| #309 | Carpathian Journal of Earth and Environmental Sciences. -- Baia Mare : North University Center of Baia Mare, 2006-. -- ISSN 1842-4090 |
| #310 | Cérès. -- Rome : Organisation des Nations Unies pour l'alimentation et l'agriculture, 1968-1996. -- ISSN 0251-1568 |