| Annual Report 1986-87 | Board of Control For Cricket in Sri Lanka | N/A | 1987 | General |
| Annual Report of the Gal Oya Development Board | Gal Oya Development Board | N/A | 1953 | General |
| Annual Review 1974 | Rubber Research Institute of Sri Lanka | N/A | 1975 | General |
| Another Thousand Thanks - Souvenir 1000th Novena, All Saints, Borella | N/A | N/A | 1971 | Religion |
| Anthology of Sinhala Short Stories in English, An | Tilak | Balasuriya | 1994 | Literature |
| Antidotes (For Gloom) - 1001 Selected Jokes | D.H. | Walles | 1941 | General |
| Antonio Bocarro's 17th Century Sri Lanka (1614-1617) | O. M. | da Silva Cosme | 1998 | History |
| Ants in Sri Lanka | R. K. Sriyani | Dias | 2002 | General |
| Anuradhapura | N/A | N/A | 1953 | History |
| Anuradhapura In Pictures - Archaeological Museum | Anuradhapura Preservation Board | N/A | N/A | History |
| Anuradhapura In Pictures - Inner Sacred Area | Anuradhapura Preservation Board | N/A | N/A | History |
| Anuradhapura In Pictures - Outer Sacred Area | Anuradhapura Preservation Board | N/A | N/A | History |
| Anuradhapura Preservation Board (By-Laws) | Anuradhapura Preservation Board | N/A | 1969 | History |
| Apostle of Ceylon, The - Fr Joseph Vaz 1651-1711 | L.M., Archbishop | Zaleski | 1991 | Religion |
| Apostle of Peace - Sri Lankan Sarvodaya Leader Ariyaratne | Premil | Ratnayake | 1997 | General |
| Appeal to 46th Session UN Human Rights Commission, Geneva | World Federation of Tamil;s | N/A | 1989 | General |
| Applause at the Wendt - Celebrating Fifty Years at the Lionel Wendt Theatre 1953-2003 | Neville | Weereratne | 2003 | General |
| Appraisal of the Concept of a Traditional Homeland in Sri Lanka, An | G.H. | Peiris | 1985 | General |
| Appraisal of the Federal Alternative for Sri Lanka, An | H.L. | de Silva | 1991 | Politics |
| Approaches in Community Development | Chandraratne | Bandara | N/A | General |
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