| Ratnapura (Shivalik) Fossils of Ceylon, The | Deraniyagala | Spolia Zeylanica | 1955 | 27 | 2 | 223 - 225 | General |
| Ratnapura Fauna, The | Deraniyagala | Ancient Ceylon | 1971 | 1 | N/A | 11 - 22 | General |
| Re-Appraisal of Sri Lanka's Non Alignment: 1948-1960, A | Karunadasa | Journal of the Royal Asiatic Society | 1992/93 | XXXVII New Series | N/A | 69 - 81 | Politics |
| Re-occurence in Ceylon of the Rufous Turtle Dove, The | Phillips | Spolia Zeylanica | 1955 | 27 | 2 | 285 | General |
| Re-Packing the Construction Industry in Sri Lanka to Meet the Millennium 2000 | de Silva | Sri Lanka Studies Conference | 1999 | N/A | N/A | 1 - 14 | General |
| Re-Working Autonomy Options For Sri Lanka | Uyangoda | Polity | 2004 | 2 | 2 | 5 - 8 | General |
| Real Beautiful People, The - Dumbara Mat Weavers | Someroski | Ceylon Observer Pictorial | 1971 | N/A | N/A | N/A | General |
| Reaping the Harvest to Rhythm | Pathirana | Times of Ceylon Annual | 1972 | N/A | N/A | N/A | General |
| Reappraisal of Certain Notions in Contract, A | Chandrahasan | Colombo Law Review, The | 1978 | 4 | N/A | 16 - 26 | General |
| Rebellion of 1665 Against Raja Simha, The - Comments on Ambanvela Rala's Statement to the Dutch | Paulusz | Journal of the Royal Asiatic Society | 1961 | VII New Series | 2 | 254 - 255 | History |
| Rebellion of 1848 in Ceylon, The | de Silva | Ceylon Journal of Historical & Social Studies, The | 1964 | 7 | 2 | 144 - 170 | History |
| Rebirth of a River Valley, The - Gal Oya | Fernando | Ceylon Today | 1957 | VI | 5 | 1 - 10 | General |
| Recent Excursions off Bibile & Moneragala | Bibile | Loris | 1994 | XX | 3 | 101 - 106 | General |
| Recent Find of Coins, A | Codrington | Journal of the Royal Asiatic Society | 1913 | XXIII | 66 | 72 - 88 | General |
| Recent Retrospective Legislation in Ceylon & the Rule of Law | Amerasinghe | Ceylon Journal of Historical & Social Studies, The | 1964 | 7 | 2 | 112 - 134 | General |
| Reclaiming Swamps & Marshes | Hemapriya | Ceylon Today | 1967 | 16 | 1 | 14 - 15 | General |
| Recognising the Birds of Prey | Norris | Loris | 1953 | VI | 3 | 97 - 100 | General |
| Recollections of St Nicolaas | Brohier | Journal of the D.B.U. | 1929 | XIX | 3 | 153 - 159 | General |
| Reconstructions of the Ancient & Medieval Breeds of Sinhala Dogs | Deraniyagala | Spolia Zeylanica | 1960 | 29 | 1 | 67 - 71 | General |
| Recording Bird Sounds | Ranasinghe | Loris | 1981 | XV | 5 | 285 - 287 | General |
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