| SOBA Environmental Publication - Vol 4, No 3, September 1993 | H.M.R.B. | Herath | 1993 | General |
| SOBA Environmental Publication - Vol 5, No 1, January 1994 | H. M. R. B. | Herath | 1994 | General |
| SOBA Environmental Publication - Vol 5, No 3, November 1994 | Devanesan, Dr | Nesiah | 1994 | General |
| SOBA Environmental Publication - Vol 6, No 1, January 1996 | Sunil Sarath | Perera | 1996 | General |
| Soccer Gala Souvenir 1959 - Old Joes Vs Old Maristonians | Ceylon Soccer Association | N/A | 1959 | General |
| Social Accounting For Development Planning - Sri Lanka | Graham | Pyatt | 1977 | General |
| Social Change in Ceylon (Christian Workers Fellowship Report) | N/A | N/a | 1967 | General |
| Social Change in Nineteenth Century Ceylon | Patrick | Peebles | 1995 | General |
| Social Development & Poverty in the Plantation in Sri Lanka 1972 - 2002 | S. Guy | de Fontgalland | 2003 | General |
| Social Development & Poverty in the Plantation in Sri Lanka 1972 - 2002 | S. Guy | de Fontgalland | 2003 | General |
| Social History of Early Ceylon | H. | Ellawala | 1969 | General |
| Social Justice and the Judiciary | N/A | N/A | 1997 | General |
| Social Policy & Missionary Organizations in Ceylon 1840-1855 | K.M. | de Silva | 1965 | Religion |
| Social Science Review, No 3, 1980 | Charles | Abeysekere | 1980 | General |
| Social Values That Promote Human Rights | Sarath N. | Silva | 1990 | General |
| Social Values That Promote Human Rights: Some Reflections For The Future | Sarath N. | Silva | N/A | General |
| Society in Mediaeval Ceylon | M.B. | Ariyapala | 1968 | General |
| Society of the Ramayana, The | Ananda | Guruge | 1960 | General |
| Society, State & Religion in Premodern Sri Lanka | Amaradasa | Liyanagamage | 2001 | Religion |
| Socio Economic Review, A - 50 Years | A.D.V.de S | Indraratne | 1998 | General |
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