| #1251 | Telecommunications. -- Norwood : Horizon House Publications, 1981-2001. -- ISSN 0278-4831 |
| #1252 | Telekomunikační zpravodaj. -- Praha : Testcom, 1996-2004. -- ISSN 1211-2712 |
| #1253 | Telematics and informatics. -- Oxford : Pergamon Journal, 1984-. -- ISSN 0736-5853 print. -- ISSN 1879-324X online |
| #1254 | Telnet : Magazín pro globální komunikaci. -- Praha : Panorama Publishing, 1996-. -- ISSN 1211-5851 |
| #1255 | Teorija konečnych avtomatov i jeje priloženija. -- Riga : Zinatne, 1973-1983. -- ISSN 0320-6718 |
| #1256 | Testing, instruments and controls. -- Australie : Sydney : Non-Destructive Testing Association of Australia, 1965-1975. -- ISSN 0040-3997 |
| #1257 | Theoretical computer science. -- Amsterdam : North-Holland, 1975-. -- ISSN 0304-3975 print. -- ISSN 1879-2294 online |
| #1258 | Theory and practice of logic programming. -- Cambridge : Cambridge University Press, 2001-. -- ISSN 1471-0684 print. -- ISSN 1475-3081 online |
| #1259 | Theory of computing systems. -- New York : Springer-Verlag, 1997-. -- ISSN 1432-4350 print. -- ISSN 1433-0490 online |
| #1260 | TH'info. -- Ostrava : Th'system |