| Call of Lanka - Ceylon in Prose & Verse | W.S. | Senior | 1960 | Literature |
| Call of the Kirala | James | Goonawardene | 1971 | Literature |
| Calm After The Storm, The | R.G. | de S.Wettimuny | 1970 | Religion |
| Cameos of Ceylon & Other Glimpses | S. | Pathiravitana | 2008 | General |
| Campaign Against National Security Laws in Asia Pacific - A Guidebook | N/A | N/A | N/A | General |
| Camping & Jungle Trips, Visits to National Parks | C.G. | Uragoda | 2013 | General |
| Can You Hear Me Running | Lal | Medawattegedera | N/A | Literature |
| Capital & Peasant Production - Agrarian Structures in Sri Lanka | Charles | Abeysekera | 1985 | General |
| Capital Levy, The | Dept of Inland Revenue | N/A | 1972 | General |
| Cardamom | R.O.B. | Wijesekera | 1975 | General |
| Care of Children In The Tropics, The | E.C. | Spaar | 1930 | General |
| Carey College Magazine 1982 | P.Y.B. | Uduwela | 1982 | General |
| Carey College, Colombo Magazine Vol XI - 1969 | Ariyaratne | Rajapakse | 1969 | General |
| Caring For Survivors of Torture: Psychological & Psychosocial Aspects (Caring For Victims of Torture & Extreme Trauma) | Piyanjali | de Zoysa | 2000 | General |
| Caring For Torture Survivors: Medical Aspects (Caring For Victims of Torture & Extreme Trauma) | S. | Sivayogan | 2000 | General |
| Cartography of Ceylon in the Early British Period, The | R.L. | Brohier | 1948 | General |
| Cartoonist of His Times, A - Anonymous Tamil Cartoonist | Commitee For Ethnic Research & Analysis | N/A | 1992 | General |
| Case For Free Education, The | N.M. | Perera | 1944 | General |
| Case of Tank Irrigation Modernization Project, The | W.A.T. | Abeysekera | 1984 | General |
| Case Study of the Kirindi Oya Irrigation & Settlement Scheme, A | Pamela | Stanbury | 1989 | General |
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