The Charles Close Society for the Study of Ordnance Survey Maps
Ordnance Survey Old Series one-inch map of England & Wales
Sheet 45NW Banbury. Surveyed 1811 to 1816 and revised 1830 to 1831
State 1. (HM4-1), NLA, 1833 View on National Library of Australia website
State 7, ATL, ca 1862 View on Alexander Turnbull Library, National Library of New Zealand website
Sheet 45NE Banbury. Surveyed 1811 to 1814 and revised 1830 to 1831
State 1. (HM4-1), NLA, 1832 View on National Library of Australia website
State 9. (HM4-7), ATL, 1862 View on Alexander Turnbull Library, National Library of New Zealand website
Sheet 45SW Banbury. Surveyed 1811 to 1817 and revised 1830 to 1831
State 1. (HM4-1), NLA, 1833 View on National Library of Australia website
State 6. (HM4-7), ATL, 1862 View on Alexander Turnbull Library, National Library of New Zealand website
Sheet 45SE Banbury. Surveyed 1813 to 1818 and revised 1830 to 1831
State 1. (HM4-1), NLA, 1833 View on National Library of Australia website
State 7. (HM4-7), ATL, ca 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