| Noel - Sri Lanka's Christmas Magazine, Vol 9, Christmas 2010 | N/A | N/A | 2010 | General |
| Noel, Sri Lanka's Christmas Magazine, Vol 10, Christmas 2011 | N/A | N/A | 2011 | General |
| Non-Alignment & Peace Versus Military Alignment & War | Nihal Henry | Kuruppu | 2004 | General |
| Non-Alignment & The Developing Countries | Christian Workers Fellowship | N/A | N/A | General |
| Non-Formal Education in Sri Lanka | Marga Institute | N/A | 1974 | General |
| Noon Tide Toll | Romesh | Gunesekera | 2014 | Literature |
| Nor Iron Bars A Cage | Penelope | Tremayne | 1990 | General |
| North Ceylon in Dutch Times | R.L. | Brohier | 1940 | History |
| North, South and Death | Bamini | Selladurai | 1999 | Literature |
| Nosie as Cultural Struggle: Tom-Tom Beating, the British & Communal Disturbances in Sri Lanka, 1880s-1930 | Michael | Roberts | 1993 | General |
| Not Our War | Sanjiva | Wijesinha | 2013 | Literature |
| Notes On A Tour in Australia & N.Z. by Mr C.V.Brayne, Land Commissioner | Govt of Ceylon | N/A | 1934 | General |
| Notes On Jaffna - Chronological, Historical, Biographical etc | John H. | Martyn | 1923 | General |
| Notes on Some of the Principal Kandyan Chiefs & Headman & Their Dresses | H.W. | Codrington | 1910 | General |
| Notes on Some Sinhalese Families, Part IV - Ilangakon | P. E. | Pieris | 1933 | General |
| Notes on Various Birds of Ceylon - Rails, Waders, Gulls, Terns etc | W.E. | Wait | 1916 | General |
| Nugegoda, Glimpse of the Past | H. M. Mervyn. P | Herath | 2009 | General |
| Numerological Fortune in Matrimony | K.N., Pundit | Navaratnam | 1986 | General |
| Numismata Zeylanica | D..P.E. | Hettiaratchi | 1945 | General |
| Nutrition in Ceylon - Its Bearing On National Health & Well-Being | N/A | N/A | 1942 | General |
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