- 1Papers of Timothy Hackworth and Jane Hackworth (nee Golightly) (HACK/1)
1825 - 1852, sub-fonds - 2Papers accumulated by children of Timothy Hackworth (HACK/4)
1833 - 1914, sub-fonds - 3Correspondence accumulated by Timothy Hackworth (HACK/1/1)
c 1825 - 27 December 1849, series - 4Business papers accumulated by Timothy Hackworth (HACK/1/3)
1825 - 1852, series - 5Letter from Thomas Greener, Etherley to Timothy Hackworth, Shildon (HACK/1/1/1)
c 1821, item - 6Letter from Timothy Hackworth to probably George Stephenson (HACK/1/1/1b)
28 February 1825, item - 7Partial letter from Timothy Hackworth to probably George Stephenson (HACK/1/1/1c)
9 March 1825, item - 8Notebook (HACK/1/3/1)
September 1827 - September 1828, item - 9Accounts (HACK/1/3/2)
February 1831 - 1857, sub-series - 10Business cards (HACK/1/3/3)
c 1830 - 1839, sub-series - 11Drawings (HACK/1/3/4)
1834 - ?1870, sub-series - 12Passport (HACK/1/3/5)
22 December 1836, item - 13Material accumulated by Timothy Hackworth, son of Timothy Hackworth (HACK/4/3)
10 February 1848 - 11 June 1856, series - 14Photocopy letter and envelope from Timothy Hackworth, Brusselton to Robert Stephenson & Co, Forth Street, Newcastle-upon-Tyne (HACK/1/1/2)
15 November 1825, item - 15Letter from John Dixon, Railway Office, Canterbury to Timothy Hackworth, Darlington (HACK/1/1/3)
28 February 1826, item