Church Fabric Survey database
2013
Sources for St John Upper Holloway
The Architectural History Practice Limited
Commissioner's Churches. Inspection Reports Volume 3: Second Grant Churches in Greater London
2006
John Salmon
Interior image of 623135 St John Upper Holloway, London
2013, June 26
John Salmon
Exterior image of 623135 St John Upper Holloway, London
2013, June 26
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021