| Gotama The Buddha | Ananda K. | Coomaraswamy | 1948 | Religion |
| Government & Politics in Ceylon (1931 - 1946) | I.D.S. | Weerawadana | 1951 | Politics |
| Government of the Island of Ceylon, The & The Case for Constitutional Reform | The Padikara Mudaliyar of Ceylon | N/A | 1937 | Politics |
| Government Pay Policies in Ceylon | International Labour Office | N/A | 1971 | General |
| Governor\'s Lover, The | Roderic | Grigson | 2022 | General |
| Govt Civil Hospitals at Outstations | Govt of Ceylon | N/A | 1881 | General |
| Grace - A Comparative Study of the Doctrine in Christianity & Hinduism | Sabapathy | Kulandran | 1964 | Religion |
| Graduated Course of Sinhala Through English, A - Book One | J. | Wickramasinghe | 1966 | General |
| Grammar of the Sinhalese Language, A | Wilhelm | Geiger | 1938 | General |
| Grand Hotel, Nuwara Eliya Centenary Souvenir 1891-1991 | N/A | N/A | 1991 | General |
| Grandfather\'s Letters | C. | Anjalendran | 2016 | Politics |
| Grant of Citizenship to Stateless Persons - Act No 5 of 1986 | Govt of Sri Lanka | N/A | 1986 | Politics |
| Granville Report On The Matara District 1813 | Historical Manuscripts Commission | N/A | 1952 | General |
| Grass For My Feet | J. | Vijayatunga | 1974 | General |
| Grassland Farming In Ceylon | R.R. | Appadurai | 1968 | General |
| Grasslands of the Monsoon | R.O. | Whyte | 1968 | General |
| Graveyards in Ceylon, Kandy Region, Vol IV | Eileen | Hewson | 2010 | General |
| Graveyards in Ceylon, North & East, Vol VI | Eileen | Hewson | 2011 | General |
| Graveyards in Ceylon, South & West, Vol V | Eileen | Hewson | 2010 | General |
| Graveyards in Ceylon, Vol 1 | Eileen | Hewson | 2008 | General |
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