Church Fabric Survey database
2013
Sources for Houghton-next-Harpley: St Martin
CWGC
Commonwealth War Graves Commission
2016
Richard Waite
626550_Houghton-next-Harpley_StMartinatTours_Norwich_CHRplan
July 2002
Richard Waite
626550_Houghton-next-Harpley_StMartinatTours_Norwich_CHRexterior
July 2017
Church Buildings Council
Church Bells
2019
Church of England
A Church Near You
2021