| When Guns Fall Silent | Punyakante | Wijenaike | 2010 | Literature |
| When Memory Dies | A. | Sivanandan | 1997 | Literature |
| Where Angels Fear to Tread | S. L | Gunasekara | 2009 | General |
| Where No Woman Travels Alone | Lakmali | Gunawardena | 1993 | Literature |
| Where Serfdom Thrives - The Plantation Tamils of Sri Lanka | Mayan | Vije | 1987 | General |
| Where Seven Blooms Were Nurtured | Norberta, Rev. Sr | Wickramaratne | N/A | General |
| Where The Buddha Trod | R, Major | Raven-Hart | 1966 | Religion |
| Where The White Sambhur Roams | Richard L. | Spittel | 1951 | Literature |
| While Government Talks Peace.... Terrorism Continues | Dept of Information | N/A | 1984 | General |
| White Lotus, The - The Personality of the Buddha | S.R. | Wijayatilake | 1970 | Religion |
| White Paper on Education | Centre For Society & Religion | N/A | 1982 | General |
| White Paper on Employment Relations, An Analysis of the | Centre For Society & Religion | N/A | N/A | General |
| White Woman's Other Burden, The - Western Women & South Asia During British Rule | Kumari | Jayawardena | 1995 | General |
| Who Lies Here - A Story of a Dead Body | D.J.B. | Kuruppu | N/A | Religion |
| Who's Who of Ceylon | Ananda S. | Ratnayake | 1956 | General |
| Who\'s Who of Sri Lanka | Chandrabhanu | Samaraweera | 2015 | General |
| Why Do People Suffer? - Buddhist & Christian Answers | F.S., Rev | De Silva | 1951 | Religion |
| Why Lake House Seeks To Destory The Coalition | N/A | N/A | 1971 | Politics |
| Why Tamil Eelam ? | Expatriate Tamils | N/A | N/A | General |
| Wild Ceylon - Describing the Lives of the Present-Day Veddas | R.L. | Spittel | 1951 | General |
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