| Sathyodaya | Walpola | Rahula | 2019 | Religion |
| Satyagraha - The Freedom Movement of the Tamils in Ceylon | S. | Ponniah | 1963 | General |
| Savage Sancturay | R.L. | Spittel | 1953 | General |
| Say It In Sinhala | J.B. | Disanayaka | 1974 | General |
| Scary Monsters | Michelle | De Kretser | 2021 | Literature |
| Scenes From Early Ceylon History - For Standard V | L.J. | Gratiaen | 1937 | History |
| Scenes of a Lifetime - The Autobiography of Dr Lucian De Zilwa | Lucian, Dr | De Zilwa | 1967 | General |
| Scent of Kinship, The - Stories of Sri Lankans in Australia | Palitha | Ganewatta | 2006 | General |
| Scheme of Church Union in Ceylon | N/A | N/A | 1953 | Religion |
| Schoolgirl Rape & Four Murders | Bhagavadas | Sriskanthadas | 2022 | General |
| Schools For A New Nation | Wallace R. | Muelder | 1962 | General |
| Science, Experimentation and Clinical Practice in Ayurveda | Gananth | Obeyesekere | 1992 | General |
| Scientific Aids To Criminal Investigation (Medical Aspects) | G.S.W. | De Saram | 1957 | General |
| Scientific Art of Boxing, The | J.P. | Obeyesekere | 1937 | General |
| Sculpture - Archaeological Series, Vol 4 | Nandadeva, Dr | Wijesekera | 1990 | General |
| Sculpture of Tissa Ranasinghe, The | Neville | Weereratne | 2013 | General |
| SD & the Family Roots in Sri Lanakan Politics | Somasiri | Wickramasinghe | 2005 | Politics |
| Sea Shells of Sri Lanka | Parakrama | Kirtisinghe | 1978 | General |
| Seaports of India & Ceylon | Allister | Macmillan | 1928 | General |
| Search For a Tamil Homeland | Mark | Seneviratne | 1995 | General |
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