| #671 | Systems technology. -- United Kingdom : Ilford : Plessey Company, 1967 Ilford : Plessey Telecommunications, 1967-1984. -- ISSN 0039-8047 |
| #672 | T.A.S.K. quarterly. -- Gdansk : Academic Computer Centre in Gdansk TASK, 1997-. -- ISSN 1428-6394 |
| #673 | T-way. -- Rudná : Toyota Material Handling CZ, 2008-. -- ISSN 1803-6880 |
| #674 | Tactical technology. -- Potomac : Phillips Pub., 1991-. -- ISSN 1059-0552 |
| #675 | Tehnika v selʹskom hozâjstve. -- Moskva : Kolos, 1958-. -- ISSN 0131-7105 |
| #676 | Technica. -- Zürich : Industrie, 1952-. -- ISSN 0040-0866 |
| #677 | Technical Association papers. -- United States : New York : Technical Association of the Pulp and Paper Industry, 1920-1948. -- ISSN 0096-4557 |
| #678 | Technical book review index. -- Pittsburgh : JAAD Pub. Co., 1935-. -- ISSN 0040-0890 |
| #679 | Technical Bookguide. -- United Kingdom : London : Hansom Books, 1957-1961 |
| #680 | Technical bulletin. -- United States : Maine : University of Maine, 1960-1965 |