| 4077 | 1226 | L Metcalfe, J Vince | Discovering canals : guide for the motorist | 1968 | E/35.2 | Metcal |
| 4078 | 245 | Metropolitan Water Board | London's water supply 1903-1953 : review of the work of the Metropolitan Water Board | 1953 | WCP | Metrop |
| 4079 | 6593 | Esther Meynell | Cottage tale | 1946 | E/56 | Meynel |
| 4080 | 25 | Esther Meynell | Sussex | 1947 | E/15 | Sussex |
| 4081 | 7069 | Eleanor Michell | Emergency repairs for historic buildings | 1988 | B/10.0 | Michel |
| 4083 | 5548 | Michelmersh Brick Co | Trade publication on bricks | | B/10.0 | Michel |
| 4086 | 6966 | edited by D J H Michelmore | A current bibliography of vernacular architecture Vol.1 1970-1976 | 1979 | B/00.2 | Michel |
| 4087 | 5479 | Peter Michelson | Ti Huse Pa Frilandsmuseet [Two houses in the open air museum] | 1965 | M/08 | Denmar |
| 4090 | 4286 | G A T Middleton | The drainage of town & country houses | 1908 | WCP | Middle |
| 4091 | 8202 | J Middleton Murry | Heaven and earth | 1938 | E/56 | Middle |
| 4092 | 7025 | Midhurst Town Council | Midhurst & district official guide | ? | E/15 | Sussex |
| 4093 | 3028 | Roy Midmer | English mediaeval monasteries 1066-1540 : a summary | 1979 | B/26 | Midmer |
| 4094 | 7764 | edited by Dillwyn Miles | Pembrokeshire Coast National Park : Guide No.10 | 1978 | E/16.5 | Nation |
| 4096 | 2639 | N L Millard | The Clergy House : Alfriston | 1979 | M/08 | Nation |
| 4097 | 5520 | Malcolm B Miller | Chartres cathedral | 1975 | B/26 | France |
| 4098 | 6975 | M Miller | The ancient art of cookery | 1988 | E/72 | Miller |
| 4099 | 2093 | M Millett | Excavations at Cowdery's Down, Basingstoke : interim report | 1980 | E/61.0 | Millet |
| 4100 | 4780 | T B Mills | St.Peters church Cowfold Sussex | ? | B/26.2 | Sussex |
| 4101 | 8053 | G S Wilson and J C Brownlie | Farm safety : guide to the Safety, Health and Welfare Act and regulations | 1964 | E/17.30 | Min of |
| 4103 | 7634 | Ministry of Agriculture and Fisheries | The farm tractor | 1954 | E/17.7 | Minist |
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