Drafts, notes and associated correspondence regarding Hair's thesis undertaken at the University of Oxford on 'The Social History of British Coalminers 1800-1845' (submitted 1955); an unpublished history of the North East (with reference to coalmining); Hair's book Coals on Rails; or, The reason of my wrighting: the autobiography of Anthony Errington, a Tyneside colliery waggon and waggonway wright, from his birth in 1778 to around 1825 (Liverpool: Liverpool University Press, 1988); and other publications.