| #31 | Computational geometry. -- Amsterdam : Elsevier, 1991-. -- ISSN 0925-7721 print. -- ISSN 1879-081X online |
| #32 | Computer Aided Design. -- Guildford : IPC Science and Technology, 1968-. -- ISSN 0010-4485 print. -- ISSN 1879-2685 online |
| #33 | Computer aided geometric design. -- Amsterdam : North-Holland, 1984-. -- ISSN 0167-8396 print. -- ISSN 1879-2332 online |
| #34 | Computer graphics world. -- San Francisco : Cygnus Publications, 1980-. -- ISSN 0271-4159 |
| #35 | Computers and artificial intelligence. -- Bratislava : SAP-Slovak Academic Press, 1982-2001. -- ISSN 0232-0274 |
| #36 | Computing and informatics. -- Bratislava : Slovak Academy of Sciences, 2001-. -- ISSN 1335-9150 |
| #37 | Connexions digest. -- Toronto : Connexions Information Sharing Service, 1988-1994. -- ISSN 0845-874X |
| #38 | Current anthropology : world journal of the sciences of man. -- Chicago : University of Chicago Press, 1959-. -- ISSN 0011-3204 print. -- ISSN 1537-5382 online |
| #39 | Current contents, Physical, chemical & earth sciences. -- Philadelphia : Institute for Scientific Information, 1979-. -- ISSN 0163-2574 |
| #40 | Current contents, Engineering, computing & technology. -- Philadelphia : Institute for Scientific Information, 1995-. -- ISSN 1079-1450 |