| #11 | Bürotechnik Automation und Organisation. -- GERMANY : Baden-Baden: Göller., 1971-1981. -- ISSN 0343-2319 |
| #12 | C.D. Computer digest. -- Philadelphia : Computer digest, 1970-1976. -- ISSN 0010-4574 |
| #13 | Canadian electrical engineering journal. -- Montréal : Engineering Institute of Canada, 1976-1988. -- ISSN 0700-9216 |
| #14 | Canadian journal of electrical and computer engineering. -- Montréal : Canadian Society for Electrical Engineering, 1988-. -- ISSN 0840-8688 |
| #15 | CIOtrends : IT strategie pro manažery. -- Praha : Internet Info DG, a.s., 2025-. -- ISSN 3029-7575 |
| #16 | Computer-aided engineering journal. -- UNITED KINGDOM : New York - Institute of Electrical and Electronics Engineers, 1983-1991. -- ISSN 0263-9327 print. -- ISSN 2054-0353 online |
| #17 | ComputerCraft : The practical magazine for personal computers & microcontrollers. -- UNITED STATES : Hicksville, NY : CQ Communications, 1991-1993. -- ISSN 1055-5072 |
| #18 | Computertrends : ucelený informační zdroj pro IT profesionály. -- Praha : Internet Info DG, a.s., 2025-. -- ISSN 3029-7532 |
| #19 | Cybernetica. -- INTERNATIONAL : Namur: Association internationale de cybernétique., 1958-. -- ISSN 0011-4227 |
| #20 | Cybernetics and systems : an international journal. -- New York : Taylor & Francis, 1980-. -- ISSN 0196-9722 print. -- ISSN 1087-6553 online |