| Report of the Commission on Constitutional Reform | Colonial Office | N/A | 1955 | Politics |
| Report of the Commission on Constitutional Reform | Colonial Office | N/A | 1945 | General |
| Report of the Commission on Elementary Education in Ceylon | Govt of Ceylon | N/A | 1911 | General |
| Report of the Commission on Local Government - Sessional Paper XXXIII, 1955 | N/A | N/A | 1955 | Politics |
| Report of the Commission On Profit Sharing | Govt of Sri Lanka | N/A | 1967 | General |
| Report of the Commission to Inquire Into the University of Sri Lanka | Parliament of Sri Lanka | N/A | 1981 | General |
| Report of the Committee at the Representation of Ceylon at the Melbourne International Exhibition of 1881 | N/A | N/A | 1881 | General |
| Report of the Committee For the Monitoring of the Cessation of Hostilities | Govt of Sri Lanka | N/A | 1986 | Politics |
| Report of the Committee of Inquiry Into the Conduct of Mr Rukman Senanayake, M.P. | N/A | N/A | 1977 | Politics |
| Report of the Committee of Investigation into The Working of Teacher Training Colleges | Government of Sri Lanka | N/A | 1966 | General |
| Report of the Committee on Soil Erosion | Govt of Ceylon | N/A | 1931 | General |
| Report of the Committee to Investiagte the Working of the Tree Tax System in Jaffna | Govt of Ceylon | N/A | 1954 | General |
| Report of the Commonwealth Consultative Committee | The Colombo Plan | N/A | 1951 | General |
| Report of the Delimitation Commission 1976 | Govt of Sri Lanka | N/A | 1976 | Politics |
| Report of the Fauna & Flora Protection Committee | Govt of Ceylon | N/A | 1934 | General |
| Report of the First Delimitation Commission Appointed......in 1946 | Govt of Ceylon | N/A | 1946 | Politics |
| Report of the Government Scholarships Commission | Govt of Ceylon | N/A | 1936 | General |
| Report of the Law Committee 1986-87 | Bar Association of Sri Lanka | N/A | 1987 | General |
| Report of the People's Bank Commission | Government of Sri Lanka | N/A | 1966 | General |
| Report of the Presidential Commission of Inquiry into the Incidents Between 13 August & 15 September 1977 | Government of Sri Lanka | N/A | 1980 | General |
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