|Heeley, Anne; Mary Vidal 1996||Rajan, Amol 22 September 2009|
|Smale, Will 21 August 2006||Christabel Susan Lowry Orwin, Edith Holt Whetham, "History of British Agriculture, 1846—1914", Agriculture 1964 , page 145• Transactions of the Highland and Agricultural Society of Scotland, , 1866-7 volume 1, Aberdeen• Aubrey, Allison 7 November 2013|
The Presidents of the United States of America.
|Journal of Agricultural and Food Chemistry||Operations management: policy, practice and performance improvement|
|Wolf, Clark 9 December 2008|
From Artisans to "Factories": The Interpenetration of Craft and Industry in English Cheese-Making 1650—1950.24