| Wars of National Liberation in the Nineteenth Century, The | H.N.S. | Karunatilake | 1999 | History |
| Water Culture in the Sri Lankan Heritage | J.B. | Disnayaka | 1992 | General |
| Water for People & Nature: Arumugam Commemoration Volume | Bhadra | Kamaladasa | 2003 | General |
| Water Gardening In Ceylon | E.D.W. | Jayewardene | N/A | General |
| Water Heritage of Sri Lanka | D. L. O. | Mendis | 2002 | General |
| Water Heritage of Sri Lanka | J.B. | Disanayaka | 2000 | General |
| Water Management & Paddy Production in the Dry Zone of Sri Lanka | Robert | Chambers | 1978 | General |
| Water Management Under Small Village Tanks | A.M.T. | Gunawardana | 1981 | General |
| Water Plants of Sri Lanka | W.H. | De Thabrew | 1983 | General |
| Water Resources of Ceylon | S. | Arumugam | 1969 | General |
| Water Resources of Sri Lanka | Palitha | Manchanayake | 1999 | General |
| Waterfalls of Sri Lanka - Dancing Waters | Mervyn | Fernando | 1999 | General |
| Wave | Sonali | Deraniyagala | 2013 | Literature |
| Way of Life, A | Punyakante | Wijenaike | 1987 | Literature |
| Way Out Of Poverty - A Third World Perspective | R.W. | Crossette-Thambiah | 1981 | General |
| Way To Peace & Happiness, The | Yogavacara | Rahula Bhikku | N/A | Religion |
| Way We Grew, The | D. T. | Devendra | 2001 | General |
| We Were Making History, Saga of the Hartal of August 1953 | Wesley S. | Muthiah | 2002 | Politics |
| Wealth Behind Poverty - Report on Poverty Alleviation | N/A | N/A | 1992 | General |
| Wealth. Power and Prestige | S.T. | Hettige | 1984 | General |
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