| Relics of Dutch Times at Ambalangoda & Bentota - 1 | Brohier | Journal of the D.B.U. | 1932 | XXI | 4 | 205 - 215 | History |
| Relict Snake of Sri Lanka, A (Haplocercus Ceylonensis Gunther) | De Silva | Loris | 1983 | XVI | 3 | 105 - 107 | General |
| Religion in Pre-Colonial Sri Lanka | Devaraja | N/A | N/A | N/A | N/A | N/A | Religion |
| Religious Influence of the Dutch | Jansz | 400 years of Sri Lanka-Netherlands Relations | August 2002 | N/A | N/A | 1 - 12 | Religion |
| Religious Life of Women in Ancient Sri Lanka | Munasinghe | University of Colombo Review | 1985 | 5 | N/A | 1 - 19 | Religion |
| Religious Ties Between Ceylon & Thailand | Paranavitana | Ceylon Today | 1967 | 16 | 2 | 18 - 19 | Religion |
| Remarkable Snail from Ceylon, A | Deraniyagala | Loris | 1969 | XI | 5 | 316 | General |
| Remarks on Dr Pearson's Review of the Scientific Work Done on the Ceylon Pearl Banks from 1902-1912 | Southwell | Spolia Zeylanica | 1913 | IX | XXXIV | 124 - 133 | General |
| Remembering Sinhala Folk Songs of a By Gone Era | Witane | Sunday Island | 23 Feb 2003 | N/A | N/A | N/A | General |
| Reminiscence of Jamburagala - 1953 | Katugaha | Loris | 1998 | XXI | 5 | 199 - 202 | General |
| Reminiscences - Yala 1950 | Katugaha | Loris | 1994 | XX | 3 | 110 - 112 | General |
| Reminiscences of Travel Forty Years Ago | Anthonisz | Journal of the D.B.U. | 1936 | XXVI | 2 | 80 - 83 | General |
| Removal of the Remains of Dutch Governors | Weinman | Journal of the D.B.U. | 1930 | XIX | 5 | 200 - 205 | History |
| Report from the Ceylon Bird Club for 2007 | Sirivardana | Loris | June 2009 | 25 | 3 | 10-13 | General |
| Report on the Southern & Western Boundaries of the Peak Wilderness Sanctuary | Hoffmann | Loris | 1988 | XVIII | 1 | 6 - 10 | General |
| Report On the Workshop on Post-Tsunami Reconstruction of Sri Lanka | N/A | Polity | 2005 | 2 | 3 | 26 - 30 | General |
| Report on Wasgomuwa | Hoffmann | Loris | 1977 | XIV | 4 | 194 - 197 | General |
| Representational System, The | de Silva | Ceylon Journal of Historical & Social Studies, The | 1977 | 7 (New Series) | 2 | 25 - 35 | Politics |
| Reproduction in the Monitor Lizard Varanus Bengalensis | Deraniyagala | Spolia Zeylanica | 1958 | 28 | 2 | 161 - 166 | General |
| Republican Constitution of Sri Lanka, The | Sanmuganathan | Colombo Law Review, The | 1978 | 4 | N/A | 125 - 129 | Politics |
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