| Paper Boats | C. R. | Sirimanne | 1989 | Literature |
| Papers By Visiting Economists | National Planning Council | N/A | 1959 | General |
| Papers on The Custom of Polyandry as Practised in Ceylon | N/A | N/A | 1899 | General |
| Papers Relating to the Education of Immigrant Tamil Cooly Children Employed in Estates | Govt of Ceylon | N/A | 1905 | General |
| Papers Relating to the Education of the Rodiyas in Ceylon | Govt of Ceylon | N/A | 1905 | General |
| Papineau's Guide To Sri Lanka | Arthur | Hullett | 1982 | General |
| Paradise in Tears - A Journey Through History & Conflict | Victor | Ivan | 2008 | General |
| Paradise Poisoned - Learning about Conflict, Terrorism & Development from Sri Lanka's Civil Wars | John | Richardson | 2005 | General |
| Parakrama-Pura now called Panduvas Nuvara | D.T. | Devenadra | 1956 | History |
| Paranavitana Felicitation Volume | N/A | N/A | 1965 | General |
| Parish Hymnal, St Mary\'s Church, Dehiwel | N/A | N/A | 1991 | Religion |
| Parliament of Ceylon 1970 - The Ceylon Daily News | H.B.W. | Abeynaike | 1970 | Politics |
| Parliament of Ceylon 1977 - Ceylon Daily News | H.B.W. | Abeynaike | 1977 | Politics |
| Parliament of Sri Lanka - 9th | W.P.P. | De Silva | 1989 | Politics |
| Parliament of Sri Lanka - Gen Elec 1977, By-Elections 1977-86, Referendum 1982, Pres Elect 1982 | N/A | N/A | 1989 | Politics |
| Parliamentary Democracy - A Comparative Study of the English System | N. M., Dr | Perera | 2002 | Politics |
| Parliamentary General Election - 15 February 1989, Report | International Observer Group | N/A | 1989 | Politics |
| Parliamentary Government in Ceylon 1948-1958 | S. | Namasivayam | 1959 | Politics |
| Participatory Development & Dependence - Marga, Vol 5, No 3 | Godfrey | Gunatilleke | 1978 | General |
| Pastoral Letter - Towards The Rebuilding of The Sri Lankan Nation | Catholic Bishops of Sri Lanka | N/A | 1984 | Religion |
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