| 4148 | 3820 | edited by John Morris | Domesday book : Surrey | 1975 | E/64 | Domesd |
| 4149 | 6923 | Richard Morris | Churches and archaeology | 1978 | B/26 | Morris |
| 4150 | 3602 | edited by M S Mortensen | Research in Norway publication | 1975 | E/01.0 | Morten |
| 4151 | 4589 | Catherine Morton | Bodiam Castle Sussex | 1981 | M/08 | Nation |
| 4152 | 7646 | J C Morton et al | Live-stock of the farm | ? | E/17.30 | Morton |
| 4153 | 7645 | John Chalmers Morton | Labour on the farm | 1887 | E/17.30 | Morton |
| 4154 | 5390 | Oskar Moser | Das Bauernhaus und seine Lanschaftliche und historische Entwicklung in Kaerten [The farmhouse and its rural and historical development in Kaerten] | 1974 | B/23.1 | Moser, |
| 4155 | 3819 | edited by John Morris | Domesday book : Sussex | 1976 | E/64 | Morris |
| 4156 | 295 | Duncan Moul and W J Hardy | Picturesque Sussex : a volume of sketches | 1903 | E/15 | Sussex |
| 4157 | 273 | edited by Charles F Montgomery | Joseph Moxon's mechanick exercises, or the doctrine of handy-works | 1970 | E/33.0 | Moxon, |
| 4158 | 4074 | Richard Muir | The English village | 1980 | E/15 | UK/Mui |
| 4159 | 7096 | Richard Muir | The lost villages of Britain | 1982 | E/15 | UK/Mui |
| 4160 | 3218 | Richard Muir | Traveller's history of Britain and Ireland | 1983 | E/62.0 | Muir, |
| 4161 | 1543 | edited by W H Mullens and N F Ticehurst | Notes on Sussex ornithology - being extracts from the diaries (1845-1869) of Robert Nathaniel Dennis (sometime Rector of East Blatchington) | 1925 | E/07.4 | Mullen |
| 4162 | 7315 | Helen Muller | Jet jewellery and ornaments | 1980 | E/74 | Muller |
| 4163 | 7386 | H G Muller | Baking and bakeries | 1986 | E/72.5 | Muller |
| 4164 | 6578 | Julian Munby | St Mary's Hospital, Chichester : a short history and guide | 1987 | B/25.3 | Munby, |
| 4165 | 3821 | edited by Julian Munby | Domesday book : Hampshire | 1982 | E/64 | Domesd |
| 4166 | 15 | edited by Percy D Mundy | Memorials of old Sussex | 1909 | E/15 | Sussex |
| 4167 | 7500 | Harry Munn | Joinery for repair & restoration contracts | 1989 | B/10.2 | Munn, |
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