| #491 | Buteo. -- Praha : Skupina pro ochranu a výzkum dravců a sov při České společnosti ornitologické, 1988-. -- ISSN 1210-3535 |
| #492 | Bylinky revue. -- Praha : AD1 development, 2010-. -- ISSN 1804-3135 |
| #493 | Calcified tissue international. -- New York : Springer, 1979-. -- ISSN 0171-967X print. -- ISSN 1432-0827 online |
| #494 | Calcified tissue research. -- Berlin : Springer, 1967-1978. -- ISSN 0008-0594 |
| #495 | California Fitness News. -- Praha : California Fitness (Bohemia), 1994-. -- ISSN 1212-4893 |
| #496 | Calluna : časopis západočeských botaniků. -- Mullsjö : Västergötlands botaniska förening, 1984-. -- ISSN 2000-2335 |
| #497 | Canadian journal of biochemistry. -- Ottawa : National Research Council of Canada, 1964-1982. -- ISSN 0008-4018 |
| #498 | Canadian journal of biochemistry and cell biology. -- Ottawa : National Research Council of Canada, 1983-1985. -- ISSN 0714-7511 |
| #499 | Canadian journal of biochemistry and physiology. -- Ottawa : National Research Council of Canada, 1954-1964. -- ISSN 0576-5544 |
| #500 | Canadian journal of botany. -- Ottawa : National Research Council Canada, 1951-2007. -- ISSN 0008-4026 print. -- ISSN 1480-3305 online |