| Language & Education of Sri Lankan Muslims - Problems & Prospects, Dr. A.M.A.Azeez Oration, 2013 | M.A., Dr | Nuhman | 2013 | General |
| Language & Liberty in Ceylon | N/A | N/A | 1956 | General |
| Language and Literature of the Sinhalese, The | Edmund, Rt. Rev. Dr | Peiris | N/A | General |
| Language Improvement for Buddhist Priests in English & Other Languages for Overseas Religious Service | A. H. | Godavitarane | 2004 | Religion |
| Lanka 1986-1992 - Pictorial | Stephen | Champion | 1993 | General |
| Lanka Flags - Unique Memorials of Heraldry | Edith M.G. | Fernando | 1980 | General |
| Lanka Mahila Samiti - 1930-1955 | N/A | N/A | 1955 | General |
| Lanka Samasamaja Party & The Tamil Speaking People | Vickramabahu, Dr | Karunarathne | 1979 | General |
| Lanka Sports Magazine - Vol 1, July 1985 | Gamini | Senadhira | 1985 | General |
| Lanka With The Blinkers Off | Eustace | Rulach | 1972 | General |
| Lanka's Man of Destiny - D.S.Senanayake, A Short Sketch of His Public Life | John M. | Senaveratne | N/A | Politics |
| Lanka's Yesteryears - Fact & Fiction | Alfred Gogerly | Moragoda | 2000 | Literature |
| Lanka, Their Lanka - Cameos of Ceylon through Other Eyes | H.A.I. | Goonetileke | 1984 | General |
| Lankalay & other Poems | D. J. B. | Jeganayagam | 1950 | Literature |
| Lankan Isle, Vol 2, No 2, April-June 2019 | Chandani | Kirinde | 2019 | General |
| Lankan Mosaic, A - Translations of Sinhala & Tamil Short Stories | Ashley | Halpe | 2002 | Literature |
| Last Colonial, The - Curious Adventures & Stories from a Vanishing World | Christopher | Ondaatje | 2011 | General |
| Last Days of King Sri Wickrema Rajasinha, The | J.R. | Jayewardene | 1992 | History |
| Last Exile of Sita, The | J.C. | Nesfield | N/A | General |
| Last Kingdom of Sinhalay, The | Elmo | Jayawardena | 2003 | Literature |
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