| Gem Stones of Ceylon | H.A.J. | Hulugalle | N/A | General |
| Gems of Ceylon | David | De Silva | 1927 | General |
| Gems of Ceylon | Government of Ceylon | N/A | 1966 | General |
| Gems of Sri Lanka | D.H. | Ariyaratna | 1993 | General |
| Gender Transformation, Power & Resistance Among Women in Sri Lanka | Carla | Risseeuw | 1991 | General |
| Genealogical Table of Sri Lanka Muslim Families | Mohammed | Sameer | 1996 | General |
| Genealogy & Lineage of the De Kretser Family of Ceylon (Sri Lanka) 1661 to 2006, The | Ivor | De Kretser | 2007 | General |
| Genealogy of the Foenander Family | Laura | Foenander | 2012 | General |
| Genealogy of the Lemphers Family in Canada | Chris | Lemphers | 2013 | General |
| Genealogy of the Residents of Manipay & Related Inhabitancies | Srimath T. | Vinasithamby | 1990 | General |
| Genealogy of the Schokman Family of Ceylon and Afar | Laura | Foenander | 2012 | General |
| General Denis, The Epitome of Leadership | N/A | N/A | 1918 | General |
| General Guide to the Colombo National Museum, A | P.E.P. | Deraniyagala | 1961 | General |
| General Hospital Colombo, The - Improvements to Staff & Equipment | Govt of Ceylon | N/A | 1923 | General |
| General Principles of Criminal Liability in Ceylon | G.L. | Peiris | 1972 | General |
| Genocide Against Tamils in Sri Lanka | S.C. | Chandrahasan | 1984 | General |
| Genocide of Tamils in Sri Lanka | Australian Federation of Tamil Associations | N/A | N/A | General |
| Gentiles, The - A History of Sri Lanka 1498 - 1833 | Agnes Padmini | Thambynayagam | 2009 | History |
| Geoffrey Bawa | Brian Bruce | Taylor | 1986 | General |
| Geoffrey Manning Bawa Decolonizing Architecture | Shanti | Jayewardene | 2017 | General |
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