Oratorian Mission in Sri Lanka , The 1796-1874 | A. C. | Dep | 1987 | Religion |
Orchids & Cacti | Reggie, Senator | Perera | 1968 | Literature |
Orchids of Sri Lanka - A Simplified Guide to Identification, ICUN, Vol 1 | Malik | Fernando | 2003 | General |
Organising For Development - Progress & Reaction in Ceylon | C.R. | Hensman | 1963 | General |
Oriental Cookbook | Priya | Wickramasinghe | 1982 | General |
Origin of Species According to the Buddha | Mahinda | Weerasinghe | 2002 | Religion |
Origins of Sinhala Culture | S.D. | de Lanerolle | 1976 | General |
Origins of the Ethnic Problem & Separatist Tamil (Eelam) Terrorsm in Sri Lanka | Tilak | Ratnakara | 1985 | General |
Origins of the Pentecostal Mission in Sri Lanka | G. P. V. | Somaratne | 1996 | Religion |
Oru & The Yatra, The - Traditional Out-Rigger Water Craft | V. | Vitharana | 1992 | General |
Our Colony 1880 - Handbook of Victoria, Pictorial & Descriptive | James, Rev | Ballantyne | 1880 | General |
Our Economic Needs | M.S., Mudaliyar | Karapper | 1940 | General |
Our George - A Biography of George Edmund De Silva | Jane | Russell | 1981 | Politics |
Our Heritage - Book 1 (Up To 1500) | G.C. | Mendis | 1969 | History |
Our Heritage - Book 2 (1500 - 1796) | G.C. | Mendis | 1962 | History |
Our Heritage - Book 3 (1796 - Second World War) | G.C. | Mendis | 1962 | History |
Our Lady of Lanka | N/A | N/A | N/A | Religion |
Our Lady of Lanka | John M | Senaveratna | 1945 | Religion |
Our Lanka (A Play in Three Acts) | H. Sri | Nissanka | N/A | General |
Our Legislature | J.R. | Weinman | 1947 | Politics |
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