| Religion & Politics in Sri Lanka | Urmila | Phadnis | 1976 | Religion |
| Religion and Social Position - British Times | C.H.B | Reynolds | 1978 | Religion |
| Religion, Nationalism & Social Change in Ceylon, 1865-1885 | L.A. | Wickremeratne | 1993 | Religion |
| Religions | Myrtle | Langley | 1981 | Religion |
| Religious Dialogue & Human Development - The Asian Scene | Sri Lanka Foundation Institute | N/A | 1978 | General |
| Religious Festivals in South India & Sri Lanka | Guy R. | Welbon | 1982 | Religion |
| Religious Revolution of Lanka, The | H.M.C., Dr | de Silva | 1966 | Religion |
| Religious World of Kirti Siri - Buddhism, Art, Politics in Sri Lanka | John Clifford | Holt | 1996 | Religion |
| Religiousness in Sri Lanka | John Ross | Carter | 1979 | Religion |
| Reluctant Emigrant, The | Suzette | Jansen | 1995 | General |
| Reluctant Mercenary, The - The Recollections of a British Ex-Army Pilot in the Anti Terrorist War in Sri Lanka | Tim | Smith | 2002 | General |
| Remembered Yesterdays - Reminiscences | Solomon Dias, Sir | Bandaranaike | 1929 | General |
| Remembering Bernadeen | Selvy | Thiruchandran | 2009 | General |
| Reminiscences in Rhyme | Basil | Perera | 1953 | Literature |
| Reminiscences of a Former Judge and His Witness to His Faith | Vincent. T. | Thamotheram | 1988 | Religion |
| Reminiscences of an Apothecary | Theodore H, Rev. | Perera | 1996 | General |
| Rendering Unto Caesar | Bradman | Weerakoon | 2004 | Politics |
| Rent Act, The No 7 of 1972 | Noshir C.J. | Rustomjee | 1972 | General |
| Repatriates from Sri Lanka, The - Coordinating Secretariat for Planting Areas, Kandy | N/A | N/A | 1976 | General |
| Report For Technical Co-operation 1970-71 | The Colombo Plan | N/A | 1971 | General |
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