| Tea, Tytlers and Tribes | Beryl T. | Mitchell | 1996 | General |
| Tea: The Eyelids of Bodhidharma | Eelco | Hesse | 1982 | General |
| Teaching of English As A Complementary Language in Sri Lanka | D. | Walatara | 1965 | General |
| Teaching of the Buddha, The | Bukkyo Dendo | Kyokai | 1966 | Religion |
| Teachings of The Compasionate Buddha, The | E.A. | Burtt | 1955 | Religion |
| Teamaker, The | David | Colin-Thome | 2009 | General |
| Tears & Cheers - Tale of a Tamil Scientist | Sachi | Sri Kantha | 2004 | General |
| Technical & Vocational Education in Sri Lanka | Ministry of Plan Implementation | N/A | 1982 | General |
| Technical Report on Reclamation of Swamps In and Around The City of Colombo | Irrigation Department, Ceylon | N/A | 1966 | General |
| Technology & Rural Transformation | A.T. | Ariyaratne | 1990 | General |
| Technology, Environment and Farmer Efficiency in Developing Agriculture | S.A.B. | Ekanayake | 1987 | General |
| Telephone Directory - 1978 | Sri Lanka Post Office | N/A | 1978 | General |
| Telephone Directory 1978 - Part 2, Official Telephones | Sri Lanka Post Office | N/A | 1978 | General |
| Televison & Children in Sri Lanka - A Research by UNDA & University of Kelaniya | Dharmadasa | Paranagama | 2003 | General |
| Telling it like it is.... Selected Writings, Vol 1 | Anne | Abayasekara | 2018 | Literature |
| Temple of Kelaniya, The | Vesak | Nanayakkara | 1994 | Religion |
| Temple of The Sacred Tooth, The | Anuradha | Seneviratne | 1987 | Religion |
| Temple of the Tooth, Kandy, Architecture, Sculpture, Painting, Cultural Triangle Project | T.K.N.P. | De Silva | N/A | General |
| Temple Tree, The | David | Beaty | 1975 | Literature |
| Temporal & Spiritual Conquest of Ceylon, The - Books 1 & 2 | Fernao, Father | De Queyroz | 1930 | History |
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