| 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 |
| Catholic Church in Sri Lanka | W.L.A., Rev Fr | Don Peter | 1996 | Religion |
| Catholic Church in Sri Lanka During the First Fifty Years of the Country's Independence, The (1948-1998) | Aloysius | Pieris, S.J. | 1999 | Religion |
| Catholic Church in Sri Lanka, The - Dutch Period, Vol 1, 1658-1711 | V. Fr | Perniola | 1983 | Religion |
| Catholic Church in Sri Lanka, The - British Period (1850-1855) , Vol 3 | V., Fr | Perniola | 1995 | Religion |
| Catholic Church in Sri Lanka, The - British Period (1856-1863), Vol 4 | V., Fr | Perniola | 2001 | Religion |
| Catholic Church in Sri Lanka, The - British Period - Vol 1 | V., Fr | Perniola | 1992 | Religion |
| Catholic Church in Sri Lanka, The - British Period Vol 2 | V., Fr | Perniola | 1995 | Religion |
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