| Companies Special (Provisions) Law, No 19 of 1974 | National State Assembly | N/A | 1974 | Politics |
| Companion to the Buddhist Commission Report - A Commentary on the Report | Catholic Union of Ceylon | N/A | 1957 | Religion |
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| Compendium of Some Colombo Plan Assisted Projects in S & S.E.Asia 1951-1976 | The Colombo Plan | N/A | 1976 | General |
| Compensation For Plunder? - The Tea Industry | Christian Workers Fellowship | N/A | 1975 | General |
| Complexities of the Sri Lankan Migrants in Australia | Tania | De Jong | N/A | General |
| Comprehensive Grammar of the Sinhalese Language, A | Abraham | Mendis Gunasekera | 1962 | General |
| Comprehensive History of Sri Lanka from Prehistory to Tsunami, A | Nath | Yogasundram | 2008 | General |
| Concise Atlas Geography of Ceylon, A | Atlas & Map Industries | N/A | 1971 | General |
| Concise History of Ceylon, A | C.W. | Nicholas | 1961 | History |
| Concise Mahavamsa | Ruwan | Rajapakse | 2003 | Religion |
| Concise Sri Lankan Malay Dictionary, A | B. D. K. | Saldin | 2007 | General |
| Confessions of an Entrepreneur - The Story of Mendis Special | W.M. | Mendis | 1988 | General |
| Conflict & Community in Contemporary Sri Lanka | Siri | Gamage | 1999 | General |
| Conflict Resolution….The Case of Sri Lanka | Ranjit | Wijesinha | 1999 | General |
| Conflicts of Ethnicity - Logos - Vol 24, No 2, 1985 | Centre For Society & Religion | N/A | 1985 | General |
| Confrontations in Sri Lanka: Sinhalese, LTTE & Others | Michael | Roberts | 2011 | General |
| Confrontations With Colonialism, Resistance, Revivalism & Reform Under British Rule in Sri Lanka, Vol 1, 1796 - 1920 | P. V. J. | Jayasekera | 2017 | History |
| Congress in Tamilnad, The - Nationalist Politics in South India, 1919-1937 | David | Arnold | 1977 | Politics |
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