| Lorenz and His Times - 1 (Supplement) | Toussaint | Journal of the D.B.U. | 1955 | XLV | 4 | 1 - 30 | General |
| Lorenz and His Times - 2 (Supplement) | Toussaint | Journal of the D.B.U. | 1956 | XLVI | 1 | 31 - 54 | General |
| Lorenz and His Times - 3 (Supplement) | Toussaint | Journal of the D.B.U. | 1956 | XLVI | 2 & 3 | 55 - 71 | General |
| Lorenz Bibliography. A | Blaze | Journal of the D.B.U. | 1928 | XVIII | 2 | 61 - 65 | General |
| Lorenz Ludovici | Toussaint | Journal of the D.B.U. | 1953 | XLIII | 1 | 17 - 18 | General |
| Loris in Lore & Literature, The | Situge | Loris | 1999 | 22 | 2 | 14 - 17 | General |
| Lost Crafts of Ceylon | Rodrigo | Festival of Arts Souvenir | 1949 | N/A | N/A | 18 - 20, 44 - 45 | General |
| Lost in Transition - The Vanishing Ceylonese | Ranawake | Times of Ceylon Annual | 1963 | N/A | N/A | N/A | General |
| Lost Narratives & Hybrid Identities in the Indian Ocan: Afro-Asians | | India@logs | 2017 | 4 | N/A | 11-26 | Ceylon |
| Lost Narratives & Hybrid Identities in the Indian Ocean: Afro-Asians | | India@logs | 2017 | 4 | N/A | 11-26 | Ceylon |
| Lost Narratives & Hybrid Identities in the Indian Ocean: Afro-Asians | | India@logs | 2017 | 4 | N/A | 11-26 | Ceylon |
| Lotus without Symbolism | Devendra | Journal of the Royal Asiatic Society | 1969 | XIII New Series | N/A | 83 - 92 | General |
| Lotus, The | N/A | Ceylon Today | 1952 | 1 | 4 | 13 - 21 | General |
| Love Down by the Riverside - First Ever Elephant Breeding Program | Jayasinghe | Ceylon Observer Pictorial | 1969 | N/A | N/A | N/A | General |
| Lure of the Jungle | Senadhira | Loris | 1994 | XX | 3 | 139 - 140 | General |
| Lure of the Jungles, The | Brohier | Loris | 1969 | XI | 6 | 359 - 364 | General |
| Lure of the Mahaweli, The | Jansen | Loris | 1982 | XVI | 2 | 84 - 90 | General |
| M. Robert Foressie | N/A | Journal of the D.B.U. | 1962 | LII | 1 & 2 | 40 | General |
| Madirigiri Vihara: Is it a Survival of a Forgotten Link Between Sri Lanka & the Sailendra Empire of South East Asia | Perera | Samskrti | 1984 | 18 | 3 | 37 - 42 | Religion |
| Maduru Oya National Park | Jansen | Loris | 1984 | XVI | 5 | 223 - 226 | General |
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