Church Fabric Survey database
2013
Sources for Harpford: St Gregory the Great
Exeter DAC
Exterior image of 615196 Harpford, St Gregory the Great
2008
Devon County Council
Devon Historic Environment Record
2017
Church Buildings Council
Church Bells
2019
Russ Palmer
QI inspection report on Harpford: St Gregory the Great, 14-Jul-2020
2020
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989