| #541 | The Motor cycle and cycle trader. -- Velká Británie : London : Trader Publishing, 1914-1982. -- ISSN 0027-1845 |
| #542 | The Oil engine. -- Velká Británie : London : Temple press, 1933-1947 |
| #543 | The Transport world. -- Velká Británie : London : Tramway and Railway World Pub. Co.,, 1934-1968 |
| #544 | Thomas register's inbound logistics. -- New York : Thomas, 1985-. -- ISSN 0888-8493 |
| #545 | TIS, Tiefbau, Ingenieurbau, Strassenbau. -- Německo : Gütersloh : Bertelsmann-Fachzeitschriften-GmbH,, 1990-2011. -- ISSN 0941-1038 |
| #546 | Tourism management. -- Guilford : Pergamon, 1982-. -- ISSN 0261-5177 print. -- ISSN 1879-3193 online |
| #547 | Traffic engineering. -- Spojené státy americké : Washington : Institute of Traffic Engineers, 1937 Arlington : Institute of Transportation Engineers, 1937-. -- ISSN 0041-0675 |
| #548 | Traffic engineering & control. -- London : Printerhall, 1960-. -- ISSN 0041-0683 |
| #549 | Traffic engineering & control. -- London : Printerhall, 1960-. -- ISSN 0041-0683 |
| #550 | Traffic quarterly. -- Spojené státy americké : Westport : Eno Foundation for Transportation,, 1947-. -- ISSN 0041-0713 |