Church Fabric Survey database
2013
Sources for Therfield: St Mary the Virgin
CWGC
Commonwealth War Graves Commission
2016
Julian Osley
Exterior image of 632102 Therfield St Mary the Virgin
2016
John Salmon
Interior image of 632102 Therfield St Mary the Virgin
2006
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989