| Diversity of the Horton Plains National Park, The | Anslem | De Silva | 2007 | General |
| Divided Loyalty & Other Stories | Flower | Munasinghe | 1999 | Literature |
| Doctor Remembers, A - The Life Story of Nihal Karunaratne | Nihal | Karunaratne | 2006 | General |
| Doctrines of Sovereignty & Separation of Powers in the Law of Ceylon | C.F. | Amerasinghe | 1970 | General |
| Documents of the Ceylon Nat Cong & National Politics in Ceylon 1929-1950 - Vol 1 | Michael | Roberts | 1977 | Politics |
| Documents of the Ceylon Nat Cong & National Politics in Ceylon 1929-1950 - Vol 2 | Michael | Roberts | 1977 | Politics |
| Documents of the Ceylon Nat Cong & National Politics in Ceylon 1929-1950 - Vol 3 | Michael | Roberts | 1977 | Politics |
| Documents of the Ceylon Nat Cong & National Politics in Ceylon 1929-1950 - Vol 4 | Michael | Roberts | 1977 | Politics |
| Doing Marian Theology in Sri Lanka, Logos, Vol 33, No\'s 3 & 4 | Tissa | Balasuriya | 1994 | Religion |
| Doing Thelogy in Today's Asia - Logos, Vol 24, No 3, 1985 | Centre For Society & Religion | N/A | 1985 | Religion |
| Dolce Vita in Serendib | Savithri | Rodrigo | 2021 | General |
| 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 |
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