| Doing Thelogy in Today's Asia - Logos, Vol 24, No 3, 1985 | Centre For Society & Religion | N/A | 1985 | Religion |
| Don Peter Felicitation Volume | E.C.T. | Candappa | 1983 | General |
| Dona Catherina, The First Catholic Queen of Kandy | John M. | Senaveratna | 1936 | History |
| Dona Kamalawathie | Gunadasa | Liyanage | 1977 | Literature |
| Donald Friend Diaries, The | Ian | Britain | 2010 | General |
| Don\'t Bother Victor (Thoms & Friends) | N/A | N/A | 2013 | General |
| Doodled Self-Portrait, A | C.L. | Tranchell | N/A | General |
| Doomed King, The - A Requiem for Sri Vikrama Rajasinha | Gananath | Obeysekere | 2017 | History |
| Doreen Wickremasinghe - A Western Radical in Sri Lanka | Kumari | Jayawardena | 1991 | Politics |
| Dossier Corea - A Portfolio On Crime | Firoze | Sameer | 1998 | General |
| Double Blue, The - Vol XXXIX, 1975-1985 (Wesley College, Colombo) | N/A | Magazine Committee | 1985 | General |
| Doughty Dons of Dowa, The | Kirthie | Abeyesekera | 2001 | Literature |
| Douglas F. Goonewardene Biography | N/A | N/A | 2020 | General |
| Douglas Papers, The - When Ceylon was to be Made a Crown Colony | S.G., Rev. Fr | Perera | 1933 | General |
| Down to Earth: Real Principles for Fertiliser Practice | Michael | Blake | 1970 | General |
| Dr Mary Ratnam | Kumari | Jayawardena | 1993 | General |
| Dr. Alice de Boer and Some Pioneer Burgher Women Doctors | Deloraine | Brohier | 1994 | General |
| Draft Bill of Pradeshiya Sabha - The All Party Conference | Govt of Sri Lanka | N/A | 1984 | Politics |
| Draft Proposals & Provincial Councils Bill | Govt of Sri Lanka | N/A | 1984 | Politics |
| Draft Proposals (30.8.85 to 19.12.86) Government | Govt of Sri Lanka | N/A | 1986 | General |
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