| #1221 | Transactions of the American Fisheries Society. -- Bethesda : American Fisheries Society, 1900-. -- ISSN 0002-8487 print. -- ISSN 1548-8659 online |
| #1222 | Transactions of the ASAE. -- St. Joseph : American Society of Agricultural Engineer, 1958-2005. -- ISSN 0001-2351 print. -- ISSN 2151-0059 online |
| #1223 | Transactions of the Society, instituted at London, for the Encouragement of Arts, Manufactures, and Commerce. -- Velká Británie : Society for the Encouragement of Arts, Manufactures, and Commerce, 1783-. -- ISSN 2049-7873 |
| #1224 | Trees : Structure and Function. -- Berlin : Springer-Verlag, 1986-. -- ISSN 0931-1890 print. -- ISSN 1432-2285 online |
| #1225 | Trends in biotechnology : reference edition. -- Holandsko - Nizozemí : Amsterdam : Elsevier,, 1979-. -- ISSN 0167-9430 |
| #1226 | Trends in plant science. -- Oxford : Elsevier, 1996-. -- ISSN 1360-1385 print. -- ISSN 1878-4372 online |
| #1227 | Tropical animal health and production. -- Edinburgh : Livingstone, 1969-. -- ISSN 0049-4747 print. -- ISSN 1573-7438 online |
| #1228 | Trzoda chlewna. -- Poznaň : Wojewódzki zwiazek hodowców i producentów trzody chlewnej. -- ISSN 0137-6764 |
| #1229 | Tschechoslowakisches Wirtschaftsbulletin. -- Česká republika : Praha : Tschechoslowakische Handelskammer, 1950-1957. -- ISSN 0494-0903 |
| #1230 | TTJ. -- Seven oaks : Polygon Media, 2003-. -- ISSN 1740-701X |