| #451 | Theoretical and applied karstology. -- Bucuresti : Acad. Romane, 1984-. -- ISSN 1012-9308 |
| #452 | TIZ-Fachberichte. -- Německo : Coburg : Müller und Schmidt,, 1977-. -- ISSN 0170-0146 |
| #453 | Transactions of the American Institute of Mining and Metallurgical Engineers. -- New York : American Institut of Mining and Metallurgical Engineers, 1919-1956 |
| #454 | Transactions of the American Institute of Mining, Metallurgical, and Petroleum Engineers, Incorporated. -- Spojené státy americké : New York : American Institute of Mining, Metallurgical, and Petroleum Engineers, 1956-. -- ISSN 0096-4778 |
| #455 | Transactions of the Geological Society of London. -- Velká Británie : London : vl. n., 1811-1856 |
| #456 | Transactions of the Metallurgical Society of AIME. -- New York : American Institute of Mining, Metallurgical, and Petroleum Engineers, 1958-1969. -- ISSN 0543-5722 |
| #457 | Transactions of the Mining, Geological and Metallurgical Institute of India. -- Indie : Calcutta : Geological and Metallurgical Institute of India, 1937, 1937-. -- ISSN 0371-9588 |
| #458 | Transactions of the Royal Society of Edinburgh, Earth sciences. -- Edinburgh : Royal Society of Edinburgh, 1980-2007. -- ISSN 0263-5933 |
| #459 | Transactions of the Society of Mining Engineers of AIME. -- New York : , 1962-[1984] : Society of Mining Engineers of AIME, 1962-1984. -- ISSN 0037-9964 |
| #460 | Tschechoslowakisches Wirtschaftsbulletin. -- Česká republika : Praha : Tschechoslowakische Handelskammer, 1950-1957. -- ISSN 0494-0903 |