Celtic fields Figheldean Down. Mapped from air photographs 1924.
Southampton :  Ordnance Survey, 
[1928]
In: Air survey and archaeology By O.G.S. Crawford 2nd ed. (O.S. professional paper; no. 7).
Overprint on: O.S. 1:10560. Hampshire sheet 14 sw; Wiltshire sheet 48 sw.