Catrin o Alecsandria

Feminine Sanctity and Spirituality in Medieval Wales (Cardiff: University of Wales Press, 2008), 159

The Buildings of Wales: Gwynedd (London: 2009), 350

Martyrs and Memorials: Merthyr Place-names and the Church in Early Wales (Aberystwyth: University of Wales Centre for Advanced Welsh and Celtic Studies, 2013), 56⁠–7

'Parochiale Wallicanum' yn Y Cymmrodor (1910), 95

Parochiale Anglicanum (London: 1733), 211

Thesaurus Rerum Ecclesiasticarum (London: 1754), 498