The Charles Close Society for the Study of Ordnance Survey Maps

Ordnance Survey Old Series one-inch map of England & Wales

Sheet 86 [Hull]. Surveyed 1819 to 1822 and revised before publication

State 2. (HM5-2), NLA, ca 1831 View on National Library of Australia website

State 11, ATL, 1862 View on Alexander Turnbull Library, National Library of New Zealand website

Full cartobibliographic details including lists of states are in The First Ordnance Survey Map by Roger Hellyer and Richard Oliver