| Role of the Law Enforcement Officer in the Protection of Human Rights | Sri Lanka Foundation | N/A | 1986 | General |
| Role of the Sangha in the Reconciliation Process, The (Marga 16/19) | C.R. | de Silva | 2001 | Religion |
| Role of Women Workers in The Plantation Economy, The | Sri Lanka Foundation Institute | N/A | 1979 | General |
| Role of Youth in the Process of Political Decision Making | Sri Lanka Founation Institute | N/A | 1982 | General |
| Roman Catholic Diocese of Anuradhapura, The | Oscar M. | Abey'Ratna | 1982 | Religion |
| Romantic Muturajawela - An Eyeful of Bounteous Nature | Henry P. | Abeyasekera | 1998 | General |
| Rose's Fate | F | Cecil | N/A | Literature |
| Round the Tea Totum - When Sri Lanka was Ceylon | David | Ebbels | 2006 | General |
| Royal & Technical Colleges, The | Govt of Ceylon | N/A | 1908 | General |
| Royal 'We", The - Sinhala Identity in the Dynastic State | Alan | Strathern | 2006 | General |
| Royal Asiatic Soc- Sesquicentennial Vol | G.P.S.H. | De Silva | 1995 | General |
| Royal Botanic Gardens, Peradeniya - Illustrated Guide | N/A | N/A | 1951 | General |
| Royal Botanic Gardens, Peradeniya, Ceylon | Dept of Agriculture | N/A | 1971 | General |
| Royal College Magazine 1973, 1974 & 1975 | Royal College, Colombo | N/A | 1975 | General |
| Royal College Prize Giving 1978 - Report of the Principal 1976-77 | Royal College | N/A | 1978 | General |
| Royal Colombo Golf Club 100 Years - 1879-1979 | Pam | Fernando | 1979 | General |
| Royal Tour, The | Neil | Ferrier | 1954 | General |
| Royal Visit to Ceylon - Decorations & Pandals Enroute | N/A | N/A | 1954 | General |
| Royal Wesley Centenary Cricket Match, 1993 | S. S. | Perera | 1993 | General |
| Royal-Thomian Century - Commemoration of 100 Years of Cricket | Gamini | Amaratunga | 1979 | General |
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