| #1271 | CNES magazine. -- Paris : Centre national d'études spatiales, 1997-. -- ISSN 1283-9817 |
| #1272 | Coal. -- Chicago : Maclean Hunter, 1988-1996. -- ISSN 1040-7820 |
| #1273 | Coal age. -- New York : McGraw-Hill, 1911-1988. -- ISSN 0009-9910 |
| #1274 | Coal age. -- Overland Park : Intertec, 1996-. -- ISSN 1091-0646 |
| #1275 | Coal carbonisation. -- London : s.n.., 1935-1939. -- ISSN 0366-7677 |
| #1276 | CODATA newsletter. -- Frankfurt am Main : International Council of Scientific Unions, 1968-. -- ISSN 0538-6918 |
| #1277 | Cogito : neue wege zum wissen der welt. -- Darmstadt : Hoppenstedt, 1985-2001. -- ISSN 0178-8728 |
| #1278 | Coke and gas. -- London : Tothill Press., 1947-1962. -- ISSN 0366-7650 |
| #1279 | Coke and smokeless-fuel age. -- UNITED KINGDOM : London: s.n.., 1939-1946. -- ISSN 0366-7669 |
| #1280 | Coke review : Quarterly guide to published material of interest to the coking industry. -- UNITED KINGDOM : Chesterfield : British Coke Research Association,, 1952-1973. -- ISSN 0010-0536 |