Church Fabric Survey database
2013
Sources for Witcham: St Martin
John Salmon (of geograph.org.uk)
Interior image of 614264 St Martin, Witcham
2018, July 27
Keltek Trust
Exterior image of 614264 St Martin, Witcham
2019, May 01
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989