| 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 |
| Wildlife & Nature Protection Society of Sri Lanka (Ceylon) - Annual Report & Accounts 2008, No 115 | N/A | N/A | 2009 | General |
| Wildlife Conservation in Sri Lanka | C.G. | Uragoda | 1994 | General |
| Wildlife of the Dry Lowlands of Sri Lanka & South India | Gehan | de Silva Wijeyeratne | 2006 | General |
| Wildlife of the Drylands of Sri Lanka & South India | Gehan | de Silva Wijeyeratne | 2006 | General |
| Wildlife of Udawalawe at Len's Range | Chanith | Wijeratne | 2010 | General |
| Wilds of Lanka - A Visual Treat of Yala National Park | Ravi | Samarasinha | 2004 | General |
| Wilhelm Geiger - His Life & Works | Heinz | Bechert | 1977 | General |
| Will People Give Solutions At Gunpoint? - Speech by R.Premadasa | Ministry of State | N/A | 1985 | General |
| Will To Freedom, The - An Inside View of Tamil Resistance | Adele | Balasingham | 2001 | General |
| William Gopallawa - Centenary Volume | Mahen C.L.B. | Gopallawa | 1998 | General |
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