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| Samuel Newell, Herald of the Amercian Mission to Ceylon, 1813-1814 | H.A.I. | Goonetileke | 1975 | Religion |
| Samyutta Nikaya | D.P.R. | Samaranayake | 1960 | Religion |
| Sanath Jayasuriya, A Biography | Chandresh | Narayanan | 2019 | General |
| Sandglass, The | Romesh | Gunesekera | 1998 | Literature |
| Sanskrit Drama in its Origin, Development, Theory & Practice, The | A. Berriedale | Keith | 1964 | General |
| Sanskrit Literature | D., Dr | Pannasara | 1958 | Literature |
| Sapphire, The | A.E.W. | Mason | N/A | Literature |
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| Sara Saga, The | Manicasothy | Saravanamuttu | 1970 | General |
| Saranankara - The Last Sangha-Raja of Ceylon | D.B., Sir | Jayatilaka | 1934 | Religion |
| Sarandib - An Ethnological Study of the Muslims of Sri Lanka | Asiff | Hussein | 2007 | General |
| Sardiel - The Robinhood of Ceylon | P.A.J.B., Rev. Fr | Antoninus | 1964 | History |
| Sardiel The Sri Lankan Bushranger | D. B. | Kuruppu | 2001 | Literature |
| Sarvodaya & Politics | A.T. | Ariyaratne | 1992 | General |
| Sarvodaya - Annual Report 01.04.1988 - 31.03.1989 | Sarvodaya | N/A | 1989 | General |
| Sarvodaya and Village Development | N/A | N/A | N/A | General |
| Sarvodaya As A Movement | A.T. | Ariyaratne | 1989 | General |
| Sarvodaya Strategic Plan 1991 - 1994 | Sarvodaya Shramadana Sangamaya | N/A | 1990 | General |
| Sathasivam of Ceylon - The Batting Legend | Ravindra. Prof | Fernando | 2012 | General |
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