| Twentieth Century Impressions of Ceylon | Arnold | Wright | 1907 | General |
| Twentieth Century Tea Research in Sri Lanka | Westor W. D, Dr | Modder | 2003 | General |
| Twentieth Century, Vol 169, No 1007, 1961 | N/A | N/A | 1961 | Literature |
| Twenty Fifth Anniversary of the Accession of H.M. King George V | Govt of Ceylon | N/A | 1936 | General |
| Twenty Five Years After Maname | Douglas | Amarasekera | 1982 | General |
| Twenty Five Years of Life in the Jungle | Ven. Thambugala | Anandasiri Thero | 2004 | General |
| Twilight of the Tigers, Peace Efforts & Pwer Struggles in Sri Lanka | G. H. | Peiris | 2010 | General |
| Twin Happiness - Scientific Study of Twins | Edith M. G. | Fernando | 2001 | General |
| Twins of Ceylon, The | Harry | Williams | 1957 | General |
| Two Buddhist Books in Mahayana, The | Upasika | Chihmann | 1996 | Religion |
| Two Centuries of Sri Lanka-American Friendship - A Pictorial Record | U.S.Information Service | N/A | 1978 | General |
| Two Contrasting Views of Sinhala-Tamil Relations in Sri Lanka | Michael | Roberts | 1989 | General |
| Two Happy Years in Ceylon - Vol 1 | C.F.Gordon | Cumming | 1882 | General |
| Two Leaves & A Bud | Charles F. (Kelavan) | Brooke-Smith | 2000 | General |
| Two Men of Devon in Ceylon - A Story of East & West | Samuel | Langdon | 2011 | General |
| Two Thousand Five Hundred Years (2500) of Buddhism | P.V., Prof | Bapat | 1964 | Religion |
| U.N.P. - Our Cabinet Plan For You | United National Party | N/A | 1948 | Politics |
| Udagam Udanaya - International Year of Shelter for the Homeless | Christy | Cooray | 1987 | General |
| Udavattekale | Nihal | Karunaratne | 1986 | General |
| Uduvil Girls School 1911-1936 | N/A | N/A | 1936 | General |
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