| Languages in Contact: The Case of Muslim Tamil | Raheem | University of Colombo Review | 1983 | 1 | 3 | 61 - 70 | General |
| Lansi | Anthonisz | Journal of the D.B.U. | 1925 | XIV | 3 | 87 - 89 | General |
| Large Ceylon Grey Flying Squirrel (Petaurista Phillippensis Lanka) | Abeyratne | Loris | 1993 | XX | 1 | 23 - 24 | General |
| Lascorins of Ceylon in British Service, The | Jones | Journal of the Society for Army Historical Research | 2002 | 80 | 321 | 1 - 15 | General |
| Late Mr J. P. De Vos, The | N/A | Journal of the D.B.U. | 1931 | XX | 4 | 201 -204 | General |
| Law Governing Possessory Remedies, The | Ponnambalam | Colombo Law Review, The | 1978 | 4 | N/A | 81 - 101 | General |
| Law of Property: Case Notes | Ponnambalam | Colombo Law Review, The | 1979 | 5 | N/A | 123 - 142 | General |
| Law of the Sea & the Evolution of Customary International Law | Chandrahasan | University of Colombo Review | 1982 | 1 | 2 | 77 - 83 | General |
| Leadership Perspectives 1948-1975: An Interpretive Essay | de Silva | Ceylon Journal of Historical & Social Studies, The | 1974 | 4 (New Series) | 1 & 2 | 20 - 30 | Politics |
| Leafless Orchid of Dry Zone Jungles | Somanader | Loris | 1967 | XI | 2 | 111 | General |
| Leaves from Sir William Gregory's Autobiography | Woodhouse | Loris | 1951 | V | 6 | 254 - 256 | General |
| Leaves from the Past - Attestations | De Vos | Journal of the D.B.U. | 1960 | L | 3 & 4 | 88 - 89 | History |
| Legacies of the Colonial Dutch Engineer | Brohier | Journal of the D.B.U. | 1950 | XL | 3 | 83 - 88 | History |
| Legacies of the Dutch Period | Brohier | Observer Pictorial | 1996 | N/A | N/A | N/A | History |
| Legal Limitations on Constitutional Reforms | Amerasinghe | Ceylon Journal of Historical & Social Studies, The | 1966 | 9 | 1 | 1 - 25 | Politics |
| Legal Perspectives of Economic Development in Sri Lanka | Peiris | Sri Lanka Today | 1979 | XXVII | 3 | 46 - 58 | General |
| Legal Profession of Ceylon in the Early 20th Century, The: Official Attitudes to Ceylonese Aspirations | Fernando | Ceylon Historical Journal, The | 1969 - 1970 | 19 | 1, 2, 3 & 4 | 1 - 15 | General |
| Legal System of Sri Lanka, The: Some Problems & Solutions | Peiris | Colombo Law Review, The | 1978 | 4 | N/A | 1 - 15 | General |
| Legend - Kustaraja-Gala | N/A | Journal of the D.B.U. | 1961 | LI | 1 & 2 | 52 | History |
| Legend of De Figueira Immued Alive - Vignettes From the Past | Brohier | Journal of the D.B.U. | 1966 | LVI | 1 - 4 | 35 - 37 | History |
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