| Lost Medieval Kingdom of "The Lion King", A | Gamini | de S.G. Punchihewa | 2003 | General |
| Lost One & Other Stories, The | Nirmali | Hettiarachchi | 1997 | Literature |
| Lost Plantation, The - A History of the Australian Tea Industry | R.J. | Taylor | 1982 | General |
| Lost White Tribes (Includes Burghers) | Riccardo | Orizio | 2001 | General |
| Love and a Wooden Spoon | Charmaine | Solomon | 1992 | General |
| Love in the Tsunami | Ashok | Ferry | 2012 | Literature |
| Love of Elephants, The | Neil | Murray | 1976 | General |
| LTTE and IRA Combating Terrorism & Discussing Peace | Ranga | Kalansooriya | 2001 | General |
| LTTE Terrorism: Musings of a Catholic Priest | Vimal, Fr | Tirimanna | 2012 | General |
| LTTE The International Dimension of Terrorism | Ministry of Foreign Affairs | Sri Lanka | 2007 | General |
| Lunuganga | Geoffrey | Bawa | 1990 | General |
| Lusitanian Links With Lanka | W.L.A., Rev Fr | Don Peter | 1997 | History |
| Lyrics of Lanka | Swarnakanthi | Rajapakse | 2008 | Literature |
| M.H.Mohamed A Life Sketch | A.C.M. | Saly | 1996 | General |
| Madam Premier | D.B. | Danapala | 1960 | Politics |
| Madam Prime Minister - Sirimavo Bandaranaike | K.P. | Mukerji | 1960 | Politics |
| Madame Sir" - Career & Dilemmas of the First Womaqn Diplomat in the Sri Lanka Foreign Service | Manel | Abeysekera | 2010 | General |
| Madavela, Ancient Temple | N/A | N/A | 2014 | Religion |
| Madhu | N/A | N/A | 1976 | Religion |
| Madol Doova - As Translated by Ashely Halpe | Martin | Wickramasinghe | 1976 | Literature |
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