Church Fabric Survey database
2013
Sources for St John Walham Green
The Architectural History Practice Limited
Commissioner's Churches. Inspection Reports Volume 3: Second Grant Churches in Greater London
2006
Robin Sones
Exterior image of 623206 St John Walham Green
2009
John Salmon
Interior image of 623206 St John Walham Green
2012
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989