| Dhammapada, The Way of Truth | Peter | Feldmeier | 2013 | Religion |
| Dharmista Budget, The | Pieter | Keuneman | N/A | Politics |
| Diabolical Conspiracy - Speeches of Hon Cyril Mathew | N/A | N/A | N/A | Politics |
| Dialogue With Asian Religions As Condition For Total Human Development | Sri Lanka Foundation Institute | N/A | 1978 | General |
| Diamond Jubilee Souvenir, The Ceylon Planter's Society, 1936-2011 | N/A | N/A | 2011 | General |
| Dianne's Diary - Extracts from a Personal 'Day Book' | Dianne | N/A | 2006 | Literature |
| Diaries in Ceylon 1908-1911 - Records of A Colonial Administrator | Leonard | Woolf | 1983 | General |
| Diary of Mr John D'Oyly | H.W. | Codrington | 1917 | History |
| Dice of The Gods, The - A Tale of Ceylon | Lucian | De Zilwa | 1940 | General |
| Dictionary - Sinhalese - English, English - Sinhalese | T., Rev | Moscrop | 1992 | General |
| Dictionary of the Sinhalese Language, A - Vol 1, Part 3 | D.B., Sir | Jayatilaka | 1938 | General |
| Dictionary of Biography of the Tamils of Ceylon | S. | Arumugam | 1996 | General |
| Dictionary of Proverbs of the Sinhalese | John M. | Senaveratna | 1936 | General |
| Dictionary of Sri Lankan English, A | Michael | Meyler | 2007 | General |
| Dictionary of Tamil & English, A | Johann Philip | Fabricius | 1910 | General |
| Dictionary of the Sinhalese Language, A - Vol 1, Part 1 | D.B., Sir | Jayatilaka | 1935 | General |
| Dictionary of the Sinhalese Language, A - Vol 1, Part 2 | D.B., Sir | Jayatilaka | 1936 | General |
| Dictionary of the Sinhalese Language, A - Vol 1, Part 4 | D.B., Sir | Jayatilaka | 1939 | General |
| Dictionary of the Sinhalese Language, A - Vol 1, Part 5 | D.B., Sir | Jayatilaka | 1940 | General |
| Dictionary of the Sinhalese Language, A - Vol 1, Part 6 | D.B., Sir | Jayatilaka | 1941 | General |
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