| An Appeal To The World - Speeches Made Overseas - Hon R. Premadasa | N/A | N/A | 1981 | Politics |
| An Appeal To UNESCO to Safeguard & Preserve the Cultural Property in Sri Lanka.... | Caluwadewage Cyril | Mathew | 1983 | General |
| An Asian Prime Minister's Story | John, Sir | Kotelawala | 1956 | Politics |
| An Australian Son | Gordon | Matthews | 1996 | General |
| An Enemy Within | Punyakante | Wijenaike | 1998 | Literature |
| An Eternal Summer | Nalini | de Sielvie | 2013 | Literature |
| An Etymological & Comparative Lexicon of Sinha & Tamlzh | H.S., Rev. Fr | Daaviid | 1974 | General |
| An Etymological & Comparative Lexicon of Three Languages | H.S., Rev. Fr | Daaviid | 1972 | General |
| An Historical Relation of Ceylon | Robert | Knox | 1966 | History |
| An Incomplete Sentence - The Cinema of Dharmasena Pathiraja | Sivamohan | Sumathy | 2009 | General |
| An Interview with Shelagh Goonewardene on Aspects of Culture in Sri Lanka | LeRoy | Robinson | 1985 | General |
| An Introducation to Tamil Rascism in Sri Lanka | Nalin | de Silva | 1997 | General |
| An Introduction to Civics & Government | A.J. | Wilson | 1954 | General |
| An introduction to Common Spiders of Sri Lanka | Ranil | Nanayakkara | 2014 | General |
| An Introduction to The Geology of Sri Lanka (Ceylon) | P.G. | Cooray | 1984 | General |
| An Unfinished Journey | Shiva | Naipaul | 1986 | Literature |
| Anagarika Dharmapala | Ananda K. | Guruge | 1967 | Religion |
| Analysis of the Pali Canon, An | Russell | Webb | 1975 | Religion |
| Analysis of the White Paper on Employment Relations, An | Centre For Society & Religion | N/A | N/A | General |
| Analysis of the'Alert International' Report on Sri Lanka, An | QASLU | N/A | 1986 | General |
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