Losh, Wilson and Bell (English Wikipedia)

Jeans 1875, p. 121. Jeans, J. S. (1875). Pioneers of the Cleveland iron trade. H.C. Reid.
Memoir of Sir Lowthian Bell, Bart. Transactions of the Institution of Mining Engineers 33 1904-1907, 665–672
Walker works boiler explosion Transactions - North of England Institute of Mining Engineers 4 1855-56, 44-48

books.google.com

Fordyce, T. (1867). "Disasters". Walker Iron Works: Boiler Explosion. Durham Mining Museum. Retrieved 20 March 2012.
"Bell Bros. Ltd". Durham Mining Museum. 11 October 2011. Retrieved 1 December 2012.
"Dorman, Long & Co. Ltd". Durham Mining Museum. 31 July 2012. Retrieved 1 December 2012.

Simpson, David (2009). "Chemicals and Glass". Chemicals and Glass 1800AD – 1900AD. England's Northeast. Retrieved 20 March 2012.

Allen, Chris (1991). "TA0429 : Cornish beam engine, Springhead Pumping Station". (photo has CC2 licence). Geograph.org. p. 2008. Retrieved 21 March 2012.

"Heritage Explorer". Former offices of Dorman Long, Zetland Road, Middlesbrough. English Heritage. Retrieved 1 December 2012.

"London Gazette" (PDF). Notices: Partnership: Losh, Wilson, and Bell. 1851. p. 676. Retrieved 20 March 2012.
"Patents. 4642. And to Thomas Bell Lightfoot" (PDF). The London Gazette. 12 January 1877. p. 176. Retrieved 22 March 2012.
"Notices: Bells, Lightfoot and Company [signed] Thomas Bell. Henry Bell. Thomas Bell, Jr. [deed dated] 7 December 1883" (PDF). The London Gazette. 14 December 1883. p. 6470. Archived from the original (PDF) on 1 February 2014. Retrieved 22 March 2012.

"The Sydney Morning Herald". British Steel Merger: Dorman, Long and South Durham. 9 May 1933. p. 11. Retrieved 1 December 2012.

"Some Marriages from the Longtown Area 1810–1817". 19th Century Longtown. Archived from the original on 6 September 2011. Retrieved 20 March 2012.

Tees Valley RIGS Group (2010). "Tees Valley RIGS group: Ironstone". Archived from the original on 21 December 2012. Retrieved 15 April 2012.

"Low Fell – Additional Pages". Low Fell History: Part 1. Gateshead Libraries. 2011. Archived from the original on 8 January 2014. Retrieved 21 March 2012.
"Some Marriages from the Longtown Area 1810–1817". 19th Century Longtown. Archived from the original on 6 September 2011. Retrieved 20 March 2012.
Tees Valley RIGS Group (2010). "Tees Valley RIGS group: Ironstone". Archived from the original on 21 December 2012. Retrieved 15 April 2012.
"Notices: Bells, Lightfoot and Company [signed] Thomas Bell. Henry Bell. Thomas Bell, Jr. [deed dated] 7 December 1883" (PDF). The London Gazette. 14 December 1883. p. 6470. Archived from the original (PDF) on 1 February 2014. Retrieved 22 March 2012.
Leifchild, John Roby (2000) [1842]. "Report on the Employment of Children and Young Persons in the Collieries, Lead Mines, and Iron Works of Northumberland and the North of Durham; and on the Condition, Treatment, and Education of such Children and Young Persons" (PDF). Children's Employment Commission 1842. The Coal Mining History Resource Centre. Archived from the original (PDF) on 22 April 2014. Retrieved 20 March 2012.