| Account of the Interior of Ceylon, An - 1821 | John | Davy | 1969 | General |
| Across The Palk Straits - Indo-Sri Lanka Relations | Vincent | Coelho | 1976 | General |
| Acts Of Faith | Rajiva | Wijesinha | 1985 | Literature |
| Adam's Peak | William | Skeen | 1870 | General |
| Address by Hon R.Premadasa Commemorating Prophet Muhammad's Birth | N/A | N/A | 1990 | Politics |
| Address of Hon. R. Premadasa to the UN Commission, Kenya | Ministry of Local Government & Housing | N/A | 1987 | General |
| Address to Parliament by The President on 19 February 1987 | Govt of Sri Lanka | N/A | 1987 | Politics |
| Address to Parliament by the President on 20 February 1986 | Govt of Sri Lanka | N/A | 1986 | Politics |
| Address to Parliament by the President on 25 February 1988 | Govt of Sri Lanka | N/A | 1988 | Politics |
| Address To Parliament by the President on 9 February 1983 | Govt of Sri Lanka | N/A | 1983 | Politics |
| Addressing The Other | Regi | Siiwardena | 1992 | Literature |
| Administration of Justice in Ceylon Under the Dutch 1656-1796 | T. | Nadaraja | N/A | History |
| Administration of Justice Law, No 44 of 1973 | National State Assembly | N/A | 1973 | Politics |
| Administration of Sir Henry Ward, The - Governor of Ceylon 1855-1860 | S.V. | Balasingham | 1968 | History |
| Administration of Sir William Gregory, The - Governor of Ceylon 1872-1877 | B. | Bastiampillai | 1968 | History |
| Administration of the Affairs of Ceylon, 1896-1903, A Review | West, Sir | Ridgeway | 1903 | General |
| Administration Report of the Archaeological Commissioner 1962-63 | C.E. | Godakumbura | 1964 | General |
| Administration Report of the Archaeological Commissioner 1964-65 | C.E. | Godakumbura | 1967 | General |
| Administration Report of the Archaeological Commissioner 1965-66 | C.E. | Godakumbura | 1968 | General |
| Administration Report of the Archaeological Commissioner 1966-67 | C.E. | Godakumbura | 1970 | General |
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