Church Fabric Survey database
2013
Sources for Gloucester: St Mary de Crypt
User 'Philafrenzy' on Wikimedia
Exterior image of 616123 Gloucester St Mary de Crypt
August 2011
Gloucestershire County Council
Gloucestershire Historic Environment Record (HER)
2017
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989