| Peter Pillai, Priest & Prophet - 25th Death Anniversary Volume | Victor | Gunewardena | 1989 | Religion |
| Pharmaceuticals: A Third World Experience | Senaka | Bibile | 1978 | General |
| Philip Gunawardena: The Making of a Revolutionary | Charles Wesley | Ervin | 2008 | General |
| Philologos, Essays Presented in Felicitaion of Merlin Peris | Chandima S. M. | Wickramasinghe | 2008 | General |
| Phoenix - Vol 2, 1991 | D.C.R.A. | Goonetilleke | 1991 | Literature |
| Phoenix - Vol 3, 1992 | D.C.R.A. | Goonetilleke | 1992 | Literature |
| Phoenix - Vol 4, 1993 | D.C.R.A. | Goonetilleke | 1993 | Literature |
| Photographic Field Guide to the Birds of Sri Lanka, A | Gehan | de Silva Wijayeratne | 2017 | General |
| Photographic Guide to Mammals of Sri Lanka, A | Gehan | De Silva Wijeyeratne | 2008 | General |
| Photographic Guide to Snakes & other Reptiles of Sri Lanka, A | Anslem | De Silva | 2011 | General |
| Phyllis Melder's Famous Recipes | Jerryn | Hackett | 2010 | General |
| Physical Anthropology of Ceylon, The | Howard W. | Stoudt | 1961 | General |
| Physical Anthropology of the Existing Veddahs of Ceylon - Pt 2 | W.C.Osman | Hill | 1942 | General |
| Physical Anthropology of the Megalith-Builders of South India & Sri Lanka, The | Kenneth A.R. | Kennedy | 1975 | General |
| Physiotherapy (Caring For Victims of Torture & Extreme Trauma) | Theera | Fernando | 2000 | General |
| Pickled Passengers - The Sentinel Narrow-Gauge Railcars | Paul | Bennett | 2012 | General |
| Pictorial Guide to Birds of Ranweli, A | N/A | N/A | 2000 | General |
| Pictorial Impressions of Early Colonial Sri Lanka - People and their Dress | R. K | de Silva | 2014 | General |
| Pictorial Impressions of Early Colonial Sri Lanka - Peoples\' Customs and Occupations | Rajpal | de Silva | 2014 | General |
| Pictorial Impressions of Early Colonial Sri Lanka - Religions & Rituals | Rajpal | de Silva | 2015 | General |
|
|
