Church Fabric Survey database
2013
Sources for Thompson: St Martin
Antiquarian Horological Society
AHS Turret Clock database
2015
Nicholas Warns
626492_Thompson_StMartin_Norwich_CHRplan
Nicholas Warns
626492_Thompson_StMartin_Norwich_CHRexterior
03/02/2015
Church Buildings Council
Church Bells
2019
James Miles
Bell frames of historic importance
2019
Church of England
A Church Near You
2021