| #351 | Systematics and biodiversity. -- Cambridge : Cambridge University Press, 2003-. -- ISSN 1477-2000 print. -- ISSN 1478-0933 online |
| #352 | Systematics and Geography of Plants. -- Bruxelles : Jardin Botanique National de Belgique, 1999-2010. -- ISSN 1374-7886 |
| #353 | Šumava. -- Vimperk : Správa národního parku Šumava, 1976-. -- ISSN 0862-5166 |
| #354 | Tethys entomological research. -- Almaty : Tethys, 1999-. -- ISSN 1680-1024 |
| #355 | Thayensia. -- Znojmo : Jihomoravské muzeum ve Znojmě, 1998-. -- ISSN 1212-3560 |
| #356 | Tier und Museum : Mitteilungen der Gesellschaft der Freunde und Forderer des Museums Alexander Koenig - Bonn. -- Bonn : Gessellschaft der Freunde u. Forderer des Museums Alexander, 1988-. -- ISSN 0934-2788 |
| #357 | Transaction of the Leicester Literary & Philosophical Society. -- Leicester : The Leicester Literary and Philosophical Society, 1835-. -- ISSN 0141-3511 |
| #358 | Transactions of the Natural History Society of Northumbria. -- Newcastle upon Tyne : Natural History Society of Northumbria, 1974-. -- ISSN 0144-221X |
| #359 | Transactions of the Nebraska Academy of Sciences. -- Lincoln : Nebraska Acad. of Sciences, 1972-1974. -- ISSN 0077-6351 |
| #360 | Transactions of the Royal Society of South Australia : Incorporating the Records of the South Australian Museum. -- Adelaide : South Australian Museum, 1938-. -- ISSN 0372-1426 |