- 1Papers accumulated by grandchildren and great grandchildren of Timothy Hackworth (HACK/6)
1879 - 1935, sub-fonds - 2Material accumulated by Esther Alderslade (nee Hackworth) (HACK/6/7)
10 October 1921 - December 1925, series - 3Photocopy Letter from Gertrude M. Holmes [wife of Samuel Holmes], New Jersey to Esther Hackworth (HACK/6/7/1)
10 October 1921, item - 4Photocopy Letter from Gertrude M. Holmes [wife of Samuel Holmes], New Jersey to Esther Hackworth (HACK/6/7/2)
3 November 1921, item - 5Photocopy Letter from Jenny Witty (nee Young) [daughter of Jane Young (nee Hackworth) and George Edward Young,
Bank House, Barton on Humber to Esther Hackworth (HACK/6/7/3)
24 October 1925, item - 6Publication ‘My Magazine’ edited by Arthur Mee containing article on Timothy Hackworth written by Esther Alderslade (nee Hackworth) (HACK/6/7/4)
December 1925, item - 7Letter from Esther Alderslade (nee Hackworth), Thornaby-on-Tees to the Editor of The Northern Echo, Darlington (HACK/6/7/5)
1 July 1950, item - 8Short biography of Timothy Hackworth (HACK/6/7/6)
c 1950, item - 9Photographic print of Timothy Hackworth's locomotive for Russia (HACK/6/7/7)
1836 - 1950, item - 10Letter from the Editor, The Northern Echo, Darlington to Mrs E. Alderslade (nee Hackworth), Thornaby-on-Tees (HACK/6/7/8)
3 July 1950, item - 11Letter from the Honourary Secretary of the Timothy Hackworth Centenary Committee to Mrs H Parsons (nee Winifred Hackworth) (HACK/6/7/9)
4 July 1950, item