| Animals of the Ruhuna National Park | C.E. | Norris | 1979 | General |
| Anjali - Felicitation Volume for O.H.De A.Wijesekera | J. | Tilakasiri | 1970 | General |
| Annotated Checklist of the Birds of Ceylon (Sri Lanka) | W.W.A. | Phillips | 1978 | General |
| Annual 1924 - The Ceylon Shorthand Writers Association | Ceylon Shorthand Writers' Association | N/A | 1924 | General |
| Annual General Report for 1925 | Govt of Ceylon | N/A | 1927 | General |
| Annual General Report for 1934 on the Economic, Social & General Conditions of the Island | Govt of Ceylon | N/A | 1935 | General |
| Annual General Report for 1935 on the Economic, Social & General Conditions of the Island | N/A | N/A | 1936 | General |
| Annual Report - 13th | Colombo Plan Bureau | N/A | 1964 | General |
| Annual Report 1976 | Sri Lanka Tea Board | N/A | 1977 | General |
| Annual Report 1983 | Population Information Centre | N/A | 1984 | General |
| Annual Report 1986 | Sri Lanka Tea Board | N/A | 1987 | General |
| 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 |
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