| Title | Contributors | Publisher | Year | Medium |
| Stability in windmills and the sunk postmill | Jarvis, Paul S | TIMS | 1982 | Book |
| Special Collections | Slessor, Catherine; Wright, Clare | Wright & Wright Architects | 2018 | Book |
| Sound of the mill | Hay, James | Northern Publishing Co | 1924 | Book |
| Somerset Rural Life Museum | Brown, Martyn | Somerset County Museums Service | 1982 | Book |
| Some considerations over the care of windmills in Flanders | | | 1978 | Manuscript/Typescript |
| Some Chingford field names | Britton, A J | Chingford Historical Society | 1970 | Book |
| Sneath's Mill, Lutton Gowts, Long Sutton, Lincolnshire: history, construction and technology | Bonwick, Luke | The Mills Archive Trust | 2018 | Book |
| Small Computers for Mill Record Systems | Bryan, Anthony A (Tony) | Mills Research Group | 1983 | Digital |
| Slave Women and Reproduction in Jamaica, c .1776–1834 - vol 91 (302) 231-253 | Morgan, Kenneth | Historical Association | 2006 | Digital |
| Silo – a rescue movie filmed in Sukup bins | | Milling & Grain | 2018 | Digital |
| Shorter Oxford English Dictionary on Historical Principles Vol 1 A-M; Vol 2 N-Z | | Oxford University Press | 2007 | Book |
| Shawford mill theatre: a new use for an old building | Olive, John | Shawford Mill Theatre | 1985 | Book |
| Selection of our stone shop - or later | | Charles Ross & Son Company | 1917 | Copied document |
| Seen from a windmill: a Norfolk Broads revue | Miller, Drew | Heath Cranton Ltd. | 1935 | Book |
| Seeing for myself; Agricultural conditions around the world | Hind, E Cora | Macmillan | 1937 | Book |
| Saundersons: Millwrights and engineers of Louth, Lincolnshire | Sass, Jon | The Mills Archive Trust | 2017 | Book |
| Sails, wind and meadow birds: mills in the landscape of Utrecht | Verschoor, Jaap; Vesters, Paul | Utrecht Landscape Foundation and Artists for Nature Foundation | 2006 | Book |
| Ryedale Folk Museum | Hurst, J; Smith, Douglas | Crossland Foundation | 1987 | Book |
| Rural economy and country life in the medieval West | Duby, Georges; Postan, Cynthia | Edward Arnold | 1968 | Book |
| Rosie & Jim and the man in the wind | Berridge, Celia; Cunliffe, John | Scholastic | 1992 | Book |
| Rise of the white loaf: evidence from the north of England concerning developments in milling milling technique in the 18th century | Harrison, John K | SPAB | 2005 | Book |
| Resume of the Shirley Windmill Feasibility Study | | Croydon Council | | Book |
| Research Report 2018 | | Royal Museums Greenwich | 2018 | Book |
| Red windmill | Clay, Ernest | Edward Arnold | 1962 | Book |
| Recording the present | Norrington, Valerie | British association for local history | 1989 | Book |
| Recording the Industrial Heritage | Assocation for Industrial Archaeology, | Association for Industrial Archaeology | 1993 | Book |
| Rebel girls: their fight for the vote | Liddington, Jill | Virago Press | 2006 | Book |
| Prof Dr Katharina Scherf receives 2022 Harald Perten Prize | | Milling & Grain | 2022 | Digital |
| Printed maps of Hertfordshire: 1577-1900 | Hodson, D | Dawsons of Pall Mall | 1974 | Book |
| Principles and practice in watermill repair | | SPAB | 2005 | Book |
| Presentation of the Thomas Burr Osborne medal to Betty Sullivan | Sullivan, Betty | American Association of Cereal Chemists | 1948 | Offprint/Journal Supplement |
| Preliminary analysis of the development of the gearing in watermills in Western Europe | Jespersen, Anders | Virum | 1953 | Book |
| Practical digital preservation: A How-to Guide for Organizations of Any Size | Brown, Adrian | Facet Publishing | 2013 | Book |
| Poetry of paper: an anthology of papermaking verse | Stanyon, Michael | Frogmore Mill | 2011 | Book |
| Perfect pitch: the millwright's goal; an aid in the interpretation and dating of the working parts of watermills and windmills | Stoyel, Alan | SPAB | 1996 | Book |
| Papers from the seminar on waterwheels and windmills held in Durham, North Carolina, July 1978 | | Association for the Preservation of the Eno River Valley Inc | 1979 | Book |
| Oxford Handbook of Food, Politics, and Society | Herring, Ronald J | Oxford University Press | 2014 | Book |
| Onze molens mulderversjes | Terlouw, Piet; Van der Pol, Dick | Zomer und Keuning Boeken | 1981 | Book |
| On high, apparent land | Holden, Molly | Allan Myall | 1978 | Brochure, leaflet or poster |
| Old Water-Colour Society's Club annual volume, 40th | Bury, Adrian; Skilton, Charles P | Charles Skilton | 1965 | Book |
| Old mill in Virginia saved by a hoax | | Miller Publishing Corporation | 1973 | Digital |
| Occupations of enslaved women on Buff Bay Plantation, 1819 | | UCL database: Legacies of British Slavery | | Website |
| O'r Gwaith i'r Gwely; Cadw ty 1890-1960 | Thomas, Beth; Tibbott, S Minwel | National Museum of Wales | 1994 | Book |
| Northumberland field names | Beckensall, Stan; Parkin, Richard | Frank Graham | | Book |
| Norddeutsche Mühlensagen | Rump, Reiner | Otto Heinevetter | 1986 | Book |
| Møllesten brugt i Danmark | Andersen, Lise | Hadsund Egns Museum | 2002 | Book |
| Mølle-Marie: erindringer fra et langt og virksomt liv pa Tadre Mølle | Moses, Søren | Tadre Mølle | 2002 | Copied document |
| Museum of East Anglian life | | Museum of East Anglian Life | | Book |
| Mühlenbau – Wasserräder und Windmühlen bewahren und erhalten | Schnelle, Werner | Verlag Bauwesen | 1999 | Book |
| Mühlen in Neubukow: Geschichte und Gegenwart | Haak, Walter | Walter Haak | | Book |
