| #341 | Clinical and experimental pharmacology and physiology. -- Oxford : Blackwell, 1974-. -- ISSN 0305-1870 |
| #342 | Clinical physiology. -- Oxford : Blackwell, 1981-2001. -- ISSN 0144-5979 print. -- ISSN 1365-2281 online |
| #343 | Clinical physiology and functional imaging. -- Oxford : Blackwell, 2002-. -- ISSN 1475-0961 print. -- ISSN 1475-097X online |
| #344 | Coffee & cocoa international. -- London : International Trade Publications, 1981-. -- ISSN 0262-5938 |
| #345 | Commonwealth Forestry Review. -- Oxford : Commonwealth Forestry Association, 1962-1998. -- ISSN 0010-3381 |
| #346 | Communicationes Instituti forestalis Bohemicae. -- Jíloviště-Strnady : Forestry and Game Management Research Institute, 1995-. -- ISSN 1211-2992 |
| #347 | Communicationes Instituti forestalis Cechoslovaca. -- Jíloviště-Strnady : Výzkumný ústav lesního hospodářství a myslivosti, 1989-1991. -- ISSN 1211-300X |
| #348 | Communicationes Instituti forestalis Čechosloveniae. -- Jíloviště-Strnady : Výzkumný ústav lesního hospodářství a myslivosti, 1959-1987. -- ISSN 0231-7257 |
| #349 | Communications in soil science and plant analysis. -- New York : Taylor & Francis, 1970-. -- ISSN 0010-3624 print. -- ISSN 1532-2416 online |
| #350 | Comparative immunology, microbiology and infectious diseases. -- Oxford : Pergamon Press, 1978-. -- ISSN 0147-9571 print. -- ISSN 1878-1667 online |