| #71 | Telekompraxis. -- Berlin : Schiele u. Schön, 1990-2008. -- ISSN 0938-5460 |
| #72 | Telephony. -- Overland Park : Penton Media, 1901-. -- ISSN 0040-2656 |
| #73 | Thailand telecommunications report. -- London : Business Monitor International, 2005-. -- ISSN 1748-4871 |
| #74 | The Marconi Review. -- Velká Británie : London : Marconi' s Wireless Telegraph Co., 1928 Chelmsford : Marconi's Wireless Telegraph Co. Chelmsford : Marconi Co., 1928-. -- ISSN 0025-2883 |
| #75 | Tong xin yu wang lu. -- Irvine : Scientific Research Publishing, 2009-. -- ISSN 1949-2421 print. -- ISSN 1947-3826 online |
| #76 | Turkey telecommunications report. -- London : Business Monitor International, 2005-. -- ISSN 1748-488X |
| #77 | Ukraine telecommunications report. -- London : Business Monitor International, 2005-. -- ISSN 1748-4898 |
| #78 | United Arab Emirates telecommunications report. -- London : Business Monitor International, 2005-. -- ISSN 1748-4901 |
| #79 | Urgent communications. -- Overland Park : Penton Media, 2008-. -- ISSN 1946-4384 |
| #80 | Via satellite. -- Potomac : Phillips Magazines, 1986-. -- ISSN 1041-0643 |