Church Fabric Survey database
2013
Sources for Duffield: St Alkmund
Antiquarian Horological Society
AHS Turret Clock database
2015
St Alkmund's Church Duffield
Photograph of new 'Faith' chairs
December 2018
The Carlisle Kid (of geograph.org.uk)
Interior image of 612241 St Alkmund, Duffield
2018, July 07
The Carlisle Kid (of geograph.org.uk)
Exterior image of 612241 St Alkmund, Duffield
2018, July 07
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989
ICBS
Incorporated Church Building Society Archive
1817-1989