• History 110: Early World History
• History 115: Technology and History
• History 230: British History
• History 232: Ireland from Early Times to the Present Day
• History 329: The Forming of England
• History 331: England in the Later Middle Ages
• History 430: Topics in the History of Anglo-Saxon England
• History 431: Topics in the History of England from the Conquest to 1500

Mills in the Medieval Economy: England 1300 - 1540 (Oxford University Press; Oxford, 2004) 361 pp. +xviii

Horses, Oxen and Technological Innovation:  the Use of Draught Animals in English Farming from 1066 to 1500 (Cambridge University Press; Cambridge, 1986), 331 pp. + xvi.

Books edited: 

[co-edited with Grenville Astill], Medieval Farming and Technology: the Impact of Agricultural Change in Northwest England (Brill, Leiden, 1997), 321 pp. + xi

Refereed Articles:

[with James Masschaele] "Commercial Activity and Population Growth in Medieval England", Past and Present, no. 190 (Feb., 2006), pp. 35-81.

[with Martin Watts] "Tower Windmills in Medieval England: A Case of Arrested Development?", Technology and Culture, vol. 46 (2005), pp. 697-718.

[with Martin Watts] "An Early Tower Windmill? The Turweston 'Post mill' Reconsidered", History of Technology, vol. 25 (2004), pp. 1-6.

“Inland Water Transport in Medieval England : the View from the Mills”, Journal of Historical Geography, vol. 26 (2000), pp. 75-82.

“The Mobilization of Labour in the Milling Industry of Thirteenth- and Fourteenth-Century England ”, Canadian Journal of History, vol. 31 (1996), pp. 37-58.

"Lordship and Peasant Consumerism in the Milling Industry of Early Fourteenth-century England ", Past and Present, no. 145 (Nov., 1994), pp. 3-46.

"Inland Water Transport in Medieval England", Journal of Historical Geography, xix (1993), pp. 1-11.

"Water-mills and Windmills in the West Midlands , 1086-1500," Economic History Review, 2nd series, xliv (1991), pp. 424-444.

"A Quiet Revolution - The Horse in Agriculture, History Today, xxxix (July, 1989), pp. 32-37.

"Ox-shoeing on English Demesnes, 1200-1500, Tools and Tillage, v, no. 3 (1986), pp. 173-179.

"Horse Hauling:  A Revolution in Vehicle Transport in Twelfth-and Thirteenth-Century England ?," Past and Present, no. 103 (1984), pp. 37-66.

"The Economics of Horses and Oxen in Medieval England," Agricultural History Review, xxx (1982), pp. 31-40.

Chapters:

[with Jill Walker and John R. Falconer] "Boom and Bust: Building Investment on the Bishop of Winchester's Estate in the Early Fourteenth Century" in The Winchester Pipe Rolls and Medieval English Society, ed. R.H. Britnell (Boydell Press, Woodbridge, 2003), pp. 139-155.

"The Use of Animal Power from 1200 to 1800", in Economia e Energia, ed. Simonetta Cavaciocchi (Istituto Internazionale di Storia Economica "F. Datini", Atti della Settimana di Studi, 34, Prato, 2003), pp. 213-221.

“Transportation, Inland (European)”, in Trade, Travel, and Exploration in the Middle Ages: An Encyclopedia, ed. J.B. Friedman and K.M. Figg ( Garland , New York , 2000), pp. 607-13.

“Seebohm, Frederic (1833-1912)”, “Vinogradoff, Sir Paul Gravilovitch (1854-1925)”, “Postan, Sir Michael Moissey (1899-1981)”, in A Global Encyclopedia of Historical Writing, ed. D.R. Woolf (Garland, New York, 1998), vol. 2, pp. 732, 823, 926.

“Was England a Technological Backwater in the Middle Ages?”, in Medieval Farming and Technology (see above), pp. 275-91.

[with Grenville Astill and Janken Myrdal], “Introduction”, in Medieval Farming and Technology (see above), pp. 1-9.

"Agriculture, Animal Husbandry, and Forestry", in An Anthology of Medieval Latin, ed. Frank A.C. Mantello and George Rigg (Catholic University of America, Washington, D.C., 1996), pp. 459-64.

“Modes of Transportation in Preindustrial Societies”, Proceedings of the Eighteenth Congress of Historical Sciences ( Montreal , 1995), pp. 397-409.

"Double-shafted Vehicles and Other Elements in the "Revolution" of Land Transport in Medieval Europe", in La Revolution du Brancard dans le Transport Attelé entre Seine et Rhin, de l'Antiquité au Moyen Age. Aspects Archéologiques, Économiques et Techniques. Actes du Colloque de Bruxelles et Treignes, 1 et 2 Octobre 1993, sous la direction de Catherine Rommelaire [Publication du Centre d'Histoire et de Technologie Rural. Université Libre de Bruxelles, Treignes, 1995], pp. 119-32.

"Agricultural Equipment," in The Countryside of Medieval England, ed. G. Astill and A. Grant, (Basil Blackwell Ltd.; Oxford, 1988) pp. 86-107.

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