The following archives and specialist libraries provide further resources for local research:
Durham Cathedral Library https://www.durhamcathedral.co.uk/heritage/cathedral-library
The UK's most complete in situ medieval monastic library with more than 300 manuscripts from the pre-Reformation era.
Ushaw College Library https://www.dur.ac.uk/library/asc/localother/ushaw.htm/
Extensive collections mainly relating to Catholic theology and history.
Durham County Reference Library http://www.durham.gov.uk/article/2036/Durham-Clayport-Library
Public library, with local collections.
Durham County Record Office http://www.durhamrecordoffice.org.uk/article/8338/Home
Archives from historic County Durham.
Newcastle City Library https://newcastlecollection.newcastle.gov.uk/
Very strong local studies collection; manuscripts as well as printed material.
Newcastle University Library https://www.ncl.ac.uk/library/special-collections/
Archives include Trevelyan Papers; Runciman Papers; Bosanquet Papers; papers of Jack Common.
Pybus history of medicine collection; Robert White Collection (Border history and ballads), etc.
Literary & Philosophical Society of Newcastle upon Tyne Library https://www.litandphil.org.uk/
Large local collection; early printed books and controversial pamphlets; early scientific and technological material.
Northumberland Archives (Woodhorn) https://www.northumberlandarchives.com/
Archives from the county of Northumberland including numerous family and estate collections.
Tyne & Wear Archives Service (Newcastle) http://www.tyneandweararchives.org.uk/
Newcastle city records; industrial and business records.
Sunderland City Library http://www.sunderland.gov.uk/index.aspx?articleid=1557
Local history; genealogical microfilms; industry, especially shipping.
Bowes Museum (Barnard Castle) http://www.thebowesmuseum.org.uk/
Nationally renowned art collection, archives and early printed book library of Josephine and John Bowes.
North Yorkshire County Record Office (Northallerton) https://www.northyorks.gov.uk/county-record-office
Archives from the North Riding of Yorkshire dating back to the twelfth century
Teesside Archives (Middlesbrough) https://www.middlesbrough.gov.uk/leisure-events-libraries-and-hubs/teesside-archives
Archives from the Teesside area (Middlesbrough, Stockton, Hartlepool, and Redcar & Cleveland)