| Three Pilot Projects for National Service | N/A | Ceylon Today | 1961 | 10 | 9 | 14 - 16 | General |
| Three Species of Vermitade Reported from Batticaloa | Dharmaretnam | Loris | 1994 | XX | 4 | 188 | General |
| Three Years After The Cease Fire | Uyangoda | Polity | 2005 | 2 | 4 | 4 - 5 | General |
| Throne of the Kandyan Kings, The | Pearson | Journal of the D.B.U. | 1931 | XX | 3 | 147 - 148 | History |
| Throne of the Kings of Kandy, The | Pearson | Journal of the Royal Asiatic Society | 1929 | XXXI | 82 | 380 - 383 | History |
| Through the Looking Glass Darkly - Politics of Ethniciy | Coomaraswamy | Sri Lanka - The Ethnic Conflict | 1984 | N/A | N/A | 174 - 196 | General |
| Thunmulla - A Landscape in Sepia | De Costa | Loris | 1972 | XII | 6 | 294 - 298 | General |
| Thuparama Thupa | Devendra | Journal of the Royal Asiatic Society | 1966 | X New Series | N/A | 89 - 97 | Religion |
| Tilapia Mossambica in Ceylon, The | Indrasena | Ceylon Today | 1963 | XII | 5 | 22 - 23 | General |
| Timber Transport in Ceylon | Goonewardene | Ceylon Today | 1961 | 10 | 5 | 12 - 15 | General |
| Tiriyai | Kottegoda | Tourists' Ceylon | 1973 | 5 | 1 | 18 - 23 | Religion |
| Tobacco Trade Between North Ceylon & South India in the 19th Century, The | Bastiampillai | University of Colombo Review | 1982 | 1 | 2 | 36 - 56 | General |
| Tooth Relic, The - a Palladium of Sinhalese Royalty | De Silva | Times of Ceylon Annual | 1972 | N/A | N/A | N/A | Religion |
| Torture, Mutilation & Lashes in the Control of Crime in Ceylon | Jayawardene | Ceylon Journal of Historical & Social Studies, The | 1961 | 4 | 2 | 138 - 148 | General |
| Tourism & the Arts | Candappa | Ceylon Observer Pictorial | 1971 | N/A | N/A | N/A | General |
| Tourism in Sri Lanka | De Alwis | Sri Lanka Today | 1979 | XXVI | 1 | 17 - 22 | General |
| Tourism, Our National Parks & Agriculture | Wilson | Loris | 1967 | XI | 2 | 47 - 48 | General |
| Tourist Hotels in Environmentally Sensitive Areas | Gunatilleke | Loris | 1992 | XIV | 5 | 162 - 165 | General |
| Towards A Better National Understanding | Ratnasara | Sri Lanka Today | 1978 | XXV | 2 | 8 - 12 | General |
| Toys of Old Ceylon | Jayakody | Times of Ceylon Annual | 1970 | N/A | N/A | N/A | General |
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