| Willow Quartette, The | Channa | Gunasekara | N/A | General |
| Wilpattu Murder Case, The | A.C. | Alles | 1975 | General |
| Window Cleaner\'s Soul, The | Lal | Medawattegedera | 2005 | Literature |
| Winds Behind the Willows | Ranjan | Mellawa | 2017 | General |
| Winds of Sinhala, The | Colin | De Silva | 1982 | Literature |
| Winds of The Forests, The - Memoirs of a Nature Lover | W.R.H. | Perera | 1997 | General |
| Wine Making | Industrial Development Board of Ceylon | N/A | 1979 | General |
| Winged Visitor and other Stories from Sri Lanka | Edith | Weereratne | 1973 | Literature |
| Wings In The Wetlands | T.S.U. | de Zylva | 1996 | General |
| Wings of Sri Lanka - Sri Lanka Air Force 1951-2001 | Rienzi | Pereira | 2001 | General |
| Winning an Unwinnable War - A Tribute to Our War Heroes | J. F. Ranjith | Perera | 2011 | General |
| With a Fistful of Rice - Buddhist Women and the Making of Mahamaya Girls' College | Indrani | Meegama | 2003 | General |
| With Flowers in Their Hair | Jean | Arasanayagam | 2015 | Literature |
| With Robert Knox in Ceylon | Harry | Williams | 1964 | History |
| With Robert Knox in Ceylon | Harry | Williams | 1964 | General |
| With the Dawn | Nihal | Fernando | 2005 | General |
| Without Fear or Favour | F.N.D. | Jilla | 2001 | General |
| Wokers Education in Asia | Sri Lanka Foundation Institute | N/A | 1980 | General |
| Woman In The Storm, The | A.C. St. V. | Thuriarajah | 1976 | Literature |
| Women & The Nation's Narrative - Gender & Nationalism in 20th Century Sri Lanka | Neloufer | De Mel | 2001 | General |
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