Current maps of the area
A link to the Knaresborough Round walking route on Walking Englishman – http://www.walkingenglishman.com/leedsharrogate29.htm (opens in new tab)
A Google Maps (opens in new tab) image of Ferrensby Parish Boundary
And lastly a map helpfully compiled by Dr A Colin Day http://www.colinday.co.uk/ (opens in new tab), showing the names of many of the houses in the village (the version mirrored on this site is dated 17th June 2011):
Ferrensby village house names (by Colin Day reproduced from Ordnance Survey Data) (opens in new tab)
A more up to date version may be available directly from the link below
http://colinday.co.uk/maps/HarrogateMaps/Ferrensby.pdf
Historic Maps of the Area (Links to National Library of Scotland)
1842-1952 – OS Six-inch England and Wales
Yorkshire 155 (includes: Allerton Mauleverer with Hopperton; Flaxby; Whixley.)
Surveyed: 1846 to 1851
Published: 1853
Also linked: http://maps.nls.uk/view/102344740 (opens in new tab)