Church Fabric Survey database
2013
Sources for Upper Swell: St Mary
Gloucestershire County Council
Gloucestershire Historic Environment Record (HER)
2017
Philip Halling (of geograph.org.uk)
Interior image of 616369 St Mary, Upper Swell
2012, July 15
Keltek Trust
Interior image of 616369 St Mary, Upper Swell
2011, February 08
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989
Falconer & Glibert Scott Architects
QI inspection report on Upper Swell: St Mary, 24-Feb-2023
2023