| #241 | Teorie vědy. -- Praha : Filosofický ústav AV ČR, 1990-. -- ISSN 1210-0250 print. -- ISSN 1804-6347 online |
| #242 | Transactions of the American Philosophical Society. -- Philadelphia : American Philosophical Society, 1771-. -- ISSN 0065-9746 |
| #243 | Transactions of the Connecticut Academy of Arts and Sciences. -- New Haven : Connecticut Acad. of Arts and Sciences, 1866-. -- ISSN 0069-8989 |
| #244 | Transactions of the International Conference of Eastern Studies. -- Tokyo : The Toho Gakkai, 1995-. -- ISSN 0538-6012 |
| #245 | Trends in organized crime. -- New Brunswick : Transaction Periodicals Consortium for the National Strategy Information Center, 1995-. -- ISSN 1084-4791 print. -- ISSN 1936-4830 online |
| #246 | Trudy i materialy naučnych kongressov i soveščanij, opublikovannyje za rubežom, Obščestvennyje nauki. -- Leningrad : BAN SSSR., 1983-. -- ISSN 0234-8292 |
| #247 | The TV Europe. -- Suresnes : La Lettre de l'audiovisuel et du multimédia, 1997-. -- ISSN 1280-1224 |
| #248 | Vescì Akademìì navuk BSSR, Seryâ gramadskih navuk. -- Minsk : Navuka i tehnika, 1956-1994. -- ISSN 0321-1649 |
| #249 | Vestnik obščestvennych nauk. -- Èrevan : Izdatelʹstvo AN ArmSSR, 1967-. -- ISSN 0320-8117 |
| #250 | Vocations and Learning. -- Dordrecht : Springer, 2008-. -- ISSN 1874-785X print. -- ISSN 1874-7868 online |