| Title | Contributors | Publisher | Year | BatchDescrip | Medium |
| Officially opening the Milling and Grain room at The Mills Archive | | Milling & Grain | 2020 | January | Digital |
| Oddity and elegance | Sharland, Michael | Fullers Bookshop | 1966 | | Book |
| Occupations of enslaved women on Buff Bay Plantation, 1819 | | UCL database: Legacies of British Slavery | | | Website |
| Obituary: Mr Joseph Rank of Hull; Millionaire, industrialist and philanthropist | | Yorkshire Post and Leeds Mercury | 1943 | November 15 (Monday) | Digital |
| O. W. Fisher heritage | Steen, Herman | Frank McCaffrey | 1961 | | Book |
| Nur den Wind zu Gast | Kromus, Bodo | Agentur des Rauhen Hauses Hamburg | 2006 | | Book |
| Norfolk Broads the golden years: pictures and memories 1920's-1950's by Philippa Miller | Haining, Peter; Miller, Philippa | Halsgrove | 2008 | | Book |
| Noisiel: la Chocolaterie Menier: Seine-et-Marne | Cartier, Claudine; Jantzen, Hélène | SPADEM | 1994 | | Book |
| Nine generations: a history of the Andrews family, millers of Comber | Andrews, Sydney; Burls, John | Isaac Andrews & Sons Ltd | 1958 | | Book |
| Musings of a Country Miller: W Franklin Ressler | Kindig, Steve | Ressler Mill Foundation | 1999 | | Book |
| Mühlenchemie announces winner of 2020 Flour Sack of the Year Award | | Milling & Grain | 2021 | November | Digital |
| Mühle vom Rothen Strumpf: nachforschungen über ein handwerk | Borchert, Jürgen | Verlag der Nation, Berlin | 1985 | | Book |
| Muhle und Kleiekotzer | Kauss, Dieter | | 1995 | | Book |
| Mr Rank; a study of J Arthur Rank and British films | Wood, Alan | Hodder & Stoughton | 1952 | | Book |
| Mountnessing windmill: description and history | Neale, D M | Friends of Mountnessing Windmill | 1976 | | Book |
| Mountnessing windmill: A history and description | Pargeter, Vincent G; Sier, R (Bob); Wooding, Ron | Essex County Council | 1994 | | Book |
| Moulins de l’Hérault. arts et traditions rurales. Dossier 7. | | Energies Eoliennes 1 | 1987 | | Book |
| Moulin de Luzy: Le moulin de Saloué à Dun-les-Places | | Association "Moulins du Morvan" | 1993 | | Book |
| More mysterious Wimbledon | Goldsmith, Brian; Murphy, Ruth; Whichelow, Clive | Enigma Publishing | 1995 | | Book |
| More grain dust explosions reported nationwide in USA | | Milling & Grain | 2018 | April | Digital |
| Molens van de frontstreek | Verpaalen, John | Stichting Levende Molens | 2019 | | Book |
| Molens in veelvoudig perspektief: Verzamelde molinologische opstellen: Kultureel jaarboek Oost-Vlaanderen: Bijdragen nieuwe reeks nr. 36 | Huys, Paul | Provincie Oost-Vlanderen | 1993 | | Journal |
| Millways of Kent | Morland, John Kenneth | University of N Carolina Press | 1958 | | Book |
| Mills of Sussex: A key stage two study | O'Neill, Alison; Saunders, John; Sinkins, Dave | West Sussex County Council | 1991 | | Education pack |
| Mills Archive Trust wins National Lottery support | Bartram, Elizabeth | Milling & Grain | 2018 | March | Digital |
| Mills and watercourses of the upper Axe: from Wookey Hole to Bleadney | Luker, Brian | Wookey Local History Group | 1991 | | Book |
| Milling journals of the past. Mr Teddy Simms, a local hero | Cookson, Mildred M | Milling & Grain | 2020 | July | Digital |
| Milling Journals of the past. Mr Joseph Hunt: 50 years a roller man | Cookson, Mildred M | Milling & Grain | 2020 | June | Digital |
| Milling journals of the past. How Milling was printed | Cookson, Mildred M | Milling & Grain | 2020 | September | Digital |
| Milling Hall of Fame. Two industry stalwarts: Rex Wailes and Volkmar Wywiol | | Milling & Grain | 2020 | April | Digital |
| Milling Hall of Fame. Jamal Al-Hazaa inducted into the Milling Hall of Fame | | Milling & Grain | 2022 | April | Digital |
| Milling Hall of Fame honours Martin Schlauri | | Milling & Grain | 2021 | March | Digital |
| Milling Hall of Fame - an introduction | Gilbert, Roger | Milling & Grain | 2020 | March 20 | Digital |
| Millgate, Aylsham: a study by the Local History Research Group | Gale, Geoff; Mollard, Tom | Poppyland for Aylsham Local History Society | 2006 | | Book |
| Millers of Holgate: A social history of milling at Holgate Windmill, York | Cook, Anna J | The Mills Archive Trust | 2013 | | Book |
| Millers and Methodists: Leighton Buzzard's First Steam Corn Mill | Mesley, Chris | Leighton Buzzard and District Archaeological and Historical Society | 2010 | | Book |
| Miller's tale: A history of J. Bibby & Sons Ltd, Liverpool | Bibby, C L; Bibby, J B | J. Bibby & Sons | 1978 | | Book |
| Miller of Horncastle | Cussons, Eileen | Lincolnshire Life | 1982 | | Book |
| Miller and his Mill: the story of John Else and Warney Mill | Cooper, Judith | Midland Wind & Water Mills Group | 2020 | | Book |
| Mill on the Beane: Three families on a venture | Currey, James | Clare & James Curry | 2011 | | Book |
| Mill Inn, the mill house and Withington | Stourton, Michael | The author | 1972 | | Book |
| Mill house and thereabouts: recollections of an idyllic childhood in Sprowston, Norfolk | Harrison, Herbert C | Larks Press | 1998 | | Book |
| Mill House | Blow, Sue | Ella Publishing | 2002 | | Book |
| Mill Drawings by Stephen Buckland: volume 2 | Harverson, Michael | The Mills Archive Trust | 2014 | | Book |
| Mill drawings by Stephen Buckland | Harverson, Michael | The Mills Archive Trust | 2006 | | Book |
| Mill cottage and Waterford Mill | Pollard, Michael | The author | 2002 | | Book |
| Mill city: a visual history of the Minneapolis mill district | Pennefeather, Shannon M | Minnesota Historical Society | 2003 | | Book |
| Mike Thurlow 1946-2013, An Appreciation | | SPAB Mill News | 2013 | October | Digital |
| Michael Harverson 1937 - 2017 | Hudson, Simon | SPAB Mill News | 2017 | April | Digital |
| Michael Chapman 1934-2017 | Hill, Peter J | SPAB Mill News | 2017 | October | Digital |
