Church Fabric Survey database
2013
Sources for Barthomley: St Bertoline
Antiquarian Horological Society
AHS Turret Clock database
2015
CWGC
Commonwealth War Graves Commission
2016
Alexander P Kapp (of geograph.org.uk)
Interior image of 609225 St. Bertoline, Barthomley
2010, September 13
Jonathan Hutchins (of geograph.org.uk)
Exterior image of 609225 St. Bertoline, Barthomley
2016, May 30
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021