John Reuben Davies, ' Bishop Kentigern among the Britons'

in Steve Boardman, John Reuben Davies and Eila Williamson (eds.) Saints' Cults in the Celtic World
 (Woodbridge: Boydell, 2009)
(p. 66⁠–90)

Saints referenced in this source

Asaph
Kentigern

Sites referenced in this source

St Asaph Cathedral

Church of St Asaph and St Cyndeyrn

Church of St Cyndeyrn