| #321 | Transactions of the Japan Institute of Metals. -- : Japan Institute of Metals, 1960-1988. -- ISSN 0021-4434 |
| #322 | Transactions of the Metallurgical Society of AIME. -- New York : American Institute of Mining, Metallurgical, and Petroleum Engineers, 1958-1969. -- ISSN 0543-5722 |
| #323 | Transactions of the Mining, Geological and Metallurgical Institute of India. -- Indie : Calcutta : Geological and Metallurgical Institute of India, 1937, 1937-. -- ISSN 0371-9588 |
| #324 | Transactions of the Society of Mining Engineers of AIME. -- New York : , 1962-[1984] : Society of Mining Engineers of AIME, 1962-1984. -- ISSN 0037-9964 |
| #325 | Transactions of the Society of Petroleum Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. -- Spojené státy americké : Dallas : Society of Petroleum Engineers, 1961-1978. -- ISSN 0081-1696 |
| #326 | Transgenic research. -- London : Chapman & Hall, 1991-. -- ISSN 0962-8819 print. -- ISSN 1573-9368 online |
| #327 | Turkey mining report ... -- London : Business Monitor International, 2007-. -- ISSN 1755-8565 |
| #328 | Ukraine mining report ... -- London : Business Monitor International, 2007-. -- ISSN 1755-8573 |
| #329 | Umformtechnik. -- Bamberg : Meisenbach, 1967-. -- ISSN 0300-3167 |
| #330 | United States mining report. -- London : Business Monitor International, 2007-. -- ISSN 1755-8581 |