| #341 | Telephone engineer & management : Telecommunications Industry Magazine. -- Chicago : Telephone Engineer, 1941-1994. -- ISSN 0040-263X |
| #342 | Telephone Engineer's Catalog - Directory of Industry Suppliers. -- Spojené státy americké : Wheaton : Harcourt Brace Jov, 1955- |
| #343 | Telephone Magazine. -- Spojené státy americké : Chicago : Telephone Magazine Pub., 1900- |
| #344 | Television. -- Velká Británie : London : IPC Magazines 1976 London : Royal Television Society,, 1976- |
| #345 | The Post Office electrical engineers' journal. -- Velká Británie : London : Institution of Post Office Electrical Engineers, 1908-. -- ISSN 0032-5287 |
| #346 | The short wave magazine & scanning scene. -- Velká Británie : Broadstone : PW Publishing, 2001-2005. -- ISSN 1746-6237 |
| #347 | The telegraphic journal and electrical review. -- Velká Británie : London : Gillman, 1872-1891 |
| #348 | The Wireless engineer. -- Velká Británie : London : Iliffe & Sons, 1936-1956. -- ISSN 0268-6465 |
| #349 | TN-Nachrichten. -- Německo : Frankfurt am Main : Telenorma, 1963-1981 |
| #350 | Tokyo Daigaku Kōgakubu denki kōgaku, denshi jōhō kōgaku, denshi kōgaku ihō. -- Tokyo : University of Tokyo, 1991-1996. -- ISSN 1340-3680 |