Church Fabric Survey database
2013
Sources for North Mymms: St Mary
CWGC
Commonwealth War Graves Commission
2016
Keltek Trust
Interior image of 632131 St Mary, North Mymms.
2014, December 07
Keltek Trust
Exterior image of 632131 St Mary, North Mymms
2016, January 09
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989