| Places Once Denied, A Photographic Journal on Areas Once Affected by the Conflict in Sri Lanka | Stefan | D'Silva | 2013 | General |
| Plain Tales from the British Empire | Charles | Allen | 2008 | History |
| Plan For Ceylon, A - A Plan For The Economic Development of Ceylon | P. | Sangarappilai | N/A | General |
| Planning For Freedom | R.B. | Tammita | N/A | Politics |
| Planning Implications of the Mahaweli Development Project in Sri Lanka | M.W.J.G. | Mendis | 1973 | General |
| Plantation Bungalow - Kitulagala & River resort - Eduraella | Anton | Jayasuriya | 1997 | General |
| Plantation Raj, The | Malinga H. | Gunaratna | 1980 | General |
| Planter's Handbook - Labour in Ceylon | S.E.N. | Nicholas | 1926 | General |
| Planting Engineer, The | Charles | Reid | 1920 | General |
| Plate's Ceylon Causerie - Vol XXVI, No 7, December 1959 | Plates Ltd | N/A | 1959 | General |
| Plates Ceylon Annual - No 5, November 1921 | Plate Ltd | N/A | 1921 | General |
| Playing for Malaya, A Eurasian Family in the Pacific War | Rebecca | Kenneison | 2012 | General |
| Plea For National Unity & An Undivided Sri Lanka - Address by C.G.Weeramantry | OSLONU | N/A | 1983 | General |
| Plead Mercy Poems | Anne | Ranasinghe | 1975 | Literature |
| Pleasure of Ruins | Roloff | Beny | N/A | General |
| Pleasures of Conquest, The | Yasmine | Gooneratne | 1995 | Literature |
| Pleistocene of Ceylon, The | P.E.P. | Deraniyagala | 1958 | General |
| Plight of Hindus in Sri Lanka | PROTEG | N/A | 1986 | General |
| Plural Identities & Political Choices of the Muslim Community (Marga 9/19) | Ali | Ameer | 2001 | General |
| Plurality, Passion and Power | World Council of Churches | N/A | 1990 | General |
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