Church Fabric Survey database
2013
Sources for Horsley: St Martin
Antiquarian Horological Society
AHS Turret Clock database
2015
Gloucestershire County Council
Gloucestershire Historic Environment Record (HER)
2017
Philip Halling
Exterior image of 616388 St Martin, Horsley
2010, November 06
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021
ICBS
Incorporated Church Building Society Archive
1817-1989