On Demonology & Witchcraft in Ceylon | Dandris | De Silva Gooneratne | 1998 | Religion |
On Demonology and Witchcraft in Ceylon | Dandris | De Silva Gooneratne | 1998 | General |
On Horseshoe Street | Tissa | Devendra | 2005 | Literature |
On The Beach - Fishermen, Fishwives & Fishtraders in Lanka | R.L. | Stirrat | 1988 | General |
On The Chronicles of Ceylon | B.C. | Law | 1994 | History |
On The Development of Sinhala Cinema (1947-1967) | Ranee | Savarimutthu | 1977 | General |
On The Path To Untimate Reality | Kandiah | Somasuntharam | N/A | Religion |
On The Track of Unknown Animals | Bernard | Heuvelmans | 1965 | General |
On The Wings of Thoughts - Excerpts of Speeches, Hon R. Premadasa | N/A | N/A | 1978 | Politics |
Once Upon A Tender Time | Carl | Muller | 1995 | Literature |
Once Upon An Island | Premnath | Moraes | 1993 | General |
One & Many - An Inquiry Into The Problem of Plurality | J.F. | Samaranayake | 1978 | General |
One Country One People | Sharadha | de Saram | 1993 | Literature |
One Distinguished Family of Moor Street Jaffna | Marina | Ismail | 2014 | General |
One Fourteenth of an Elephant, A Memoir of Life & Death on the Burma-Thailand Railway | Ian Denys | Peek | 2013 | General |
One Hundred & Twenty Five (125) Years of Service | Ceylon Chamber of Commerce | N/A | 1964 | General |
One Mad Bid For Freedom | James | Goonewardene | 1990 | Literature |
One More Sunrise | Maurice | Perera | 2003 | Literature |
Only in Sri Lanka | Gloria | Meltzer | 2015 | Literature |
Only Man is Vile - The Tragedy of Sri Lanka | William | McGowan | 1992 | General |
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