| 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 |
| Wild Clicks from Sri Lanka and Beyond | Sriyan | de Silva Wijeyeratne | 2013 | History |
| Wild Elephant, The - & the Method of Capturing & Taming it in Ceylon | J. Emerson | Tennent | 2002 | General |
| Wild Flowers Of Ceylon | Dorothy | Fernando | 1954 | General |
| Wild Flowers of Sri Lanka | Arittha | Wikramanayake | 2011 | General |
| Wild Flowers Of The Ceylon Hills | Thomas E.T. | Bond | 1953 | General |
| Wild Poppies - Stories & Verse | Nalini | de Sielvie | 2010 | Literature |
| Wild The Free The Beautiful, The | Nihal | Fernando | 1986 | General |
| Wild White Boy | R.L. | Spittel | 1958 | General |
| Wildlife & Nature Protection Society of Sri Lanka (Ceylon) - Annual Report & Accounts 2006, No 113 | N/A | N/A | 2007 | General |
| Wildlife & Nature Protection Society of Sri Lanka (Ceylon) - Annual Report & Accounts 2007, No 114 | N/A | N/A | 2008 | General |
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