| Loris, XVII, No 3, June 1986 | D. P. | Wijesinghe | 1986 | General |
| Lost Cities | Leonard | Cottrell | 1957 | History |
| Lost Cities of Asia | Wim | Swaan | 1976 | History |
| Lost Cities of Ceylon, The | G.E. | Mitton | 1928 | General |
| Lost Cousins, The Malays of Sri Lanka | B. A. | Hussainmiya | 1987 | General |
| Lost Dynasty, The - Uncovering Sri Lanka's Secret Past | Nishantha | Gunawardena | 2007 | General |
| Lost in Ceylon -In The Woods & The Wilds of the Lion King of Kandy | William | Dalton | 1910 | General |
| Lost in Floral Rain, Journey of a Medical Student | Pushpa | Suriyaarachchi | 2019 | Literature |
| 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 |
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