Jenkins, William (1892). Description of the Consett Iron Works. Newcastle on Tyne: Mawson, Swan, & Morgan. Page nos refer to online pages e.g. '2' means 'Early History'.
gracesguide.co.uk
"Consett Iron Co". Grace's Guide. 4 May 2012. Retrieved 14 May 2012.
Marley, John (1856). "NEIMME Transactions, Volume 5". Cleveland ironstone. Outline of the main or thick stratified bed, its discovery, application, and results, in connection with the iron-works in the north of England. North of England Institute of Mining Engineers. p. 168. Archived from the original on 7 July 2011. Retrieved 14 May 2012.
Marley, John (1856). "NEIMME Transactions, Volume 5". Cleveland ironstone. Outline of the main or thick stratified bed, its discovery, application, and results, in connection with the iron-works in the north of England. North of England Institute of Mining Engineers. p. 168. Archived from the original on 7 July 2011. Retrieved 14 May 2012.