| Report on the General Election - 21st July 1977 | Govt of Sri Lanka | N/A | 1978 | Politics |
| Report on the Marketing & Cutting of Ceylon Gems | Govt of Ceylon | N/A | 1939 | General |
| Report on the Parakrama Samudra Irrigation Scheme | Dewan Bahadur | Ramalingam Ayyar | 1938 | General |
| Report on the Survey of Public Quoted Companies of Sri Lanka, 1984 | D.L.P. | Jayawardane | 1984 | General |
| Report on the Topawewa Scheme | Govt of Ceylon | N/A | 1938 | General |
| Report on the Work of The Ceylon Tea Propaganda Board 1957 | The Ceylon Tea Propaganda Board | N/A | 1957 | General |
| Report to Congress on Incidents During the Recent Conflict in Sri Lanka | N/A | N/A | 2009 | General |
| Report to the Plenary Sessions - The All Party Conference | Govt of Sri Lanka | N/A | 1984 | General |
| Reports & Estimates of Proposed Railway Extension Matara to Hambantota | Govt of Ceylon | N/A | 1924 | General |
| Reports of The Court of Appeal of Sri Lanka - Vol 1, No 1, 1972 | C.L. | Perera | 1972 | General |
| Reports of the Five Committees - Political Parties Conference | Govt of Sri Lanka | N/A | 1986 | Politics |
| Reports of the Five Commmittees appointed by the Political Parties Conference | N/A | Govt of Sri Lanka | 1986 | Politics |
| Resipi Makanan Melayu - Traditional Sri Lankan Malay Recipes | N/A | N/A | 2009 | General |
| Resolutions Passed at the International Tamil Conference | World Federation of Tamils | N/A | 1988 | General |
| Resource Development 1978-82 - Ministry of Lands | Nanda | Abeywickrema | 1983 | General |
| Resource Development 1981 | Ministry of Lands & Land Development | N/A | 1981 | General |
| Resource Material on Biodiversity for GCE (Advanced Level) - IUCN | N/A | N/A | 2002 | General |
| Resources of the Walawe Ganga Basin | Surveyor General of Ceylon | N/A | 1960 | General |
| Resplendent Sites, Discordant Voices | Malcolm | Crick | 1994 | General |
| Resurgent Sri Lanka - 50th Anniversary of Independence issue | N/A | N/A | 1998 | General |
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