| Case Study of the Kirindi Oya Irrigation & Settlement Scheme, A | Pamela | Stanbury | 1989 | General |
| Casebook on the Law of Banking & Cheques in Ceylon | W.S. | Weerasooria | 1970 | General |
| Caste & Family in the Politics of the Sinhalese 1947-1976 | Janice | Jiggins | 1979 | Politics |
| Caste & Kin in Nepal, India & Ceylon | Christoph | Von Furer-Haimendorf | 1966 | General |
| Caste Conflict & Elite Formation - The Rise of a Karava Elite in Sri Lanka, 1500-1931 | Michael | Roberts | 1982 | General |
| Caste in Modern Ceylon | Bryce | Ryan | 1993 | General |
| Caste in Tamil Culture: The Religious Foundations of Sudra Dominations in Tamil Sri Lanka | Bryan | Pfaffenberger | 1982 | General |
| Castes, Customs, Manners & Literature of the Tamils, The | Simon | Casie Chitty | 1934 | General |
| Casting Pearls - Women's Franchise Movement in Sri Lanka | Kumari | Jayawadena | 2001 | General |
| Catalogue of Antiquities & Other Cultural Objects From Sri Lanka (Ceylon) Abroad | P.H.D.H. | de Silva | 1975 | General |
| Catalogue of Coins Exhibited in the Colombo Museum | Colombo Museum | N/A | 1908 | General |
| Catalogue of Palm Leaf Manuscripts - Vol 1 | W.A | de Silva | 1938 | General |
| Catalogue of Sanskrit Manuscripts of late Prof Fr Max Muller | Don M. | de Zilva Wickremasinghe | 1902 | General |
| Catalogue of the Archives of the Dutch Central Government of Coastal Ceylon 1640-1796 | M.W. | Juriaanse | 1943 | History |
| Catechism of Buddhist Doctrine, A | Egerton C. | Baptist | 1963 | Religion |
| Cathedral of The Living Saviour, Colombo - Consecration Service | N/A | N/A | 1973 | Religion |
| Catholic Action - A Reply To The Catholic Union of Ceylon | Bauddha Jatika Balavegaya | N/A | 1963 | Religion |
| Catholic Church in Ceylon - Quest 43 | Francois, Prof | Houtart | 1971 | Religion |
| Catholic Church in Ceylon Under Dutch Rule, The | Robrecht. Fr | Boudens | 1957 | Religion |
| Catholic Church in Jaffna, The 1875-1925 | Anton | Matthias | 1992 | Religion |
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