| Memoirs of Osmund Jayaratne | Osmund | Jayaratne | 2004 | General |
| Memoirs of Ryckloff Van Goens | E. | Reimers | 1932 | History |
| Memorandum on Training Schools & Reports of Examiners | N/A | N/A | 1932 | General |
| Memorandum Presented to the All Party Conference | Govt of Sri Lanka | N/A | 1986 | General |
| Memorandum Relative to Sinhalese School Books Published & in Course of Publication | Govt of Ceylon | N/A | 1880 | General |
| Memorandum to the Salary Anomalies Committee | Government Clerical Service Union | N/A | 1975 | General |
| Memorials of James Chapman, DD, First Bishop of Colombo | N/A | N/A | 2018 | Religion |
| Memories & Musings | Arthur, Sir | Ranasinghe | 1972 | General |
| Memories and Reflections | P.P.G.L. | Siriwardene | 2000 | General |
| Memories of Malaya - A Collection of Stories from the Colonial Years in Malaya | June | Meyer | 2007 | General |
| Memories of Trinity | Riley | Fernando | N/A | General |
| Men & Memories - Autobiographical Recollections & Reflections | J.R. | Jayewardene | 1992 | Politics |
| Men & Monuments | D. T. | Devendra | 2001 | General |
| Mental Mayhem - Or How to Give Aphorisms a Bad Name | Carl | Muller | 2007 | Literature |
| Mercantile Lore | Thomas, Sir | Villiers | 1940 | General |
| Merchant Shipping Act, No 52 of 1971 | Parliament of Ceylon | N/A | 1972 | Politics |
| Merrie Men of Uva, The - Recollections of a Tea Planter in the 1950\'s and 1960\'s | Derek | Bartholomeusz | 2015 | General |
| Message of The Buddha - Address at New York Town Hall | Anagarika | Dharmapala | 1926 | Religion |
| Metallic Modern, Everyday Machines in Colonial Sri Lanka | Nira | Wickramasinghe | 2014 | General |
| Metre Melody & Rhythm in Sinhala Music | C. De S | Kulatillake | 1980 | General |
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