Thurning, Ordnance Survey, 1906, second edition, surveyed in 1884-85, revised in 1905, scale 1:2500, ref. Norfolk Sheet XXVII 9, showing Thurning Hall and Tyby.
Thurning, Ordnance Survey, 1906, second edition, surveyed in 1885, revised in 1905, scale 1:2500, ref. Norfolk Sheet XXVII 5, showing Thurning Hall and church.
Tracing made by Kate Nightingale made 5 March 1993 of a map belonging to Mr Tony Ivins of Whitwell Hall. See also GB/REE/2108041645, Occupants of Whitwell Common Cottages in 1905 & 1971 by Ann Middlemas
Ordnance Survey, scale 1:2500, 1907, Norfolk Sheet XXXVIII N.W., second edition, surveyed in 1884, revised 1904-05. Includes parts of Salle and Hackford