Document
Hertfordshire IV.13 (includes: Ashwell; Bygrave; Guilden Morden; Newnham; Sandon; Wallington) - 25 Inch Map
Topographic maps
National Library of ScotlandOrdnance Survey
1897
1898
Ordnance Survey
1:2 500
Hertfordshire IV.13 (includes: Ashwell; Bygrave; Guilden Morden; Newnham; Sandon; Wallington) - 25 Inch Map
Topographic maps
National Library of ScotlandOrdnance Survey
1897
1898
Ordnance Survey
1:2 500