| #1261 | Theoretical computer science. -- Amsterdam : North-Holland, 1975-. -- ISSN 0304-3975 print. -- ISSN 1879-2294 online |
| #1262 | Theory and practice of logic programming. -- Cambridge : Cambridge University Press, 2001-. -- ISSN 1471-0684 print. -- ISSN 1475-3081 online |
| #1263 | Theory of computing systems. -- New York : Springer-Verlag, 1997-. -- ISSN 1432-4350 print. -- ISSN 1433-0490 online |
| #1264 | TH'info. -- Ostrava : Th'system |
| #1265 | Think!. -- Praha : IBM Česká republika, 2008-. -- ISSN 1803-4527 |
| #1266 | Titel von Veröffentlichungen über Analog- und Ziffernrechner und ihre Anwendungen. -- Německo : Wiesbaden : F. Steiner, 1962-1966 |
| #1267 | Tong xin yu wang lu. -- Irvine : Scientific Research Publishing, 2009-. -- ISSN 1949-2421 print. -- ISSN 1947-3826 online |
| #1268 | Toshiba's selected papers on science & technology. -- Tokyo : Toshiba Corporation, 1989-1999. -- ISSN 0916-1465 |
| #1269 | Transactions of the IRE Professional Group on Information Theory. -- New York : Institute of Radio Engineers, 1953-1954. -- ISSN 2168-2690 print. -- ISSN 2168-2704 online |
| #1270 | Transform magazine. -- San Francisco : CMP Media, 2001-. -- ISSN 1534-2832 |