Antiquarian Horological Society
AHS Turret Clock database
2015
Sources for Holbeach: All Saints
Cathedral and Church Buildings Division
Research into the Presence of Bats in Churches
2014
Richard Croft
Exterior image of 621093 Holbeach All Saints
18 March 2008
Michael Garlick (of geograph.org.uk)
Interior image of 621093 All Saints, Holbeach
2016, September 19
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021