| Dutu-Gamini Exile & Conqueror - King of the Sinhalese | C.H. | Bartholomeusz | 1931 | History |
| Dutugemunu - His Life & Times | John M. | Senaveratna | 1946 | History |
| Dwellings of Faith - Art & Architecture of the Catholic Churches in the Galle Diocese | Sagara | Jayasinghe | 2007 | Religion |
| Dynamics of Tamil Nadu Politics in Sri Lankan Ethnicity | G. | Palanithurai | 1993 | General |
| E-Lo-Ku-Shon | J. S. H., Rev | Edrisinghe | 1936 | General |
| E.W.Perera The Lion of Kotte, His Life & Times 1875-1975 | | | | General |
| Earliest Dutch Visits to Ceylon, The | Donald | Ferguson | 1998 | History |
| Early Buddhist Poetry | I. B. | Horner | 1963 | Religion |
| Early Buddhist Teachings, The Middle Position in Theory and Practice | Y. | Karunadasa | 2015 | Religion |
| Early Buddhist Theory of Knowledge | K.N. | Jayatilleke | 1963 | Religion |
| Early Christinaity in Ceylon - A 17th Century Narrative | Edmund, Rt. Rev. Dr | Peiris | 1972 | Religion |
| Early History of Buddhism in Ceylon | E.W. | Adikaram | 1953 | Religion |
| Early History of Ceylon, The | G.C. | Mendis | 1947 | History |
| Early History of Education in Ceylon | U.D. | Jayasekera | 1969 | General |
| Early Life and Tributes - A.M.A.Azeez | M. Ali | Azeez | 2013 | General |
| Early Prints of Ceylon (Sri Lanka) 1800-1900 | R.K., Dr | de Silva | 1985 | General |
| Early Settlements in Jaffna - An Archaeological Survey | Ponnampalam | Ragupathy | 1987 | General |
| Early Settlements in Northern Sri Lanka | Marina | Ismail | 1995 | General |
| Early Sinhalese Paintings, Vol 1 | Nandadeva | Wijesekera | N/A | General |
| Early Sinhalese Sculpture | Nandadeva | Wijesekera | 1962 | General |
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