‘Image and Inscription: Sonification as an Interpretive Methodology in Transmedial Biblical Study’ in Die Bibel in der Kunst/Bible in the Arts, Online-Journal 6, Volume 2022, 1–19. 

‘”The Hearing Ear and the Seeing Eye”: Transformative Listening to the Biblical Image’, in Sheona Beaumont and Madeleine Thiele (eds), Transforming Christian Thought in the Visual Arts (London: Routledge, 2021), 1–42.

‘The Retrieval of Revival: Recollecting and Revising the Evan Roberts Wax Cylinder’, in Ayla Lepine, Matt Lodder, and Rosalind McKever (eds), Revival: Memories, Identities, Utopias (London: The Courtauld Institute of Art, 2015), 67–85.

‘The Ghost in the Machine: Spirit and Technology’, in Sally R. Munt and Olu Jenzen (eds), The Ashgate Research Companion to Paranormal Culture (London and Toronto: Ashgate, 2013), 51–64.

‘Ann X’, in Eric Lesderna, Shooting Down the Moon, (https://issuu.com/lesdema/docs/dtm) (2013), 86–89.

‘Framing the Word: Commentary, Context, and Composition’, in Martin O’Kane (ed.), Bible, Art, Gallery (Sheffield: Sheffield Phoenix Press, 2012), 25–54.

‘Visual Culture’, in Michael Strausberg and Steven Engler (eds) Handbook of Research Methods in Religious Studies (London: Routledge, 2011), 502–22.

‘The Bible and Art in Wales: A Nonconformist Perspective’, in Martin O’Kane and John Morgan-Guy (eds), Biblical Art from Wales (Sheffield: Sheffield Phoenix Press, 2010), 71–90.

‘The Agony in the Garden: Visions of the 1904 Revival’ in Dyfed W Roberts (ed.) Revival, Renewal, and the Holy Spirit, Studies in Evangelical History and Thought (Milton Keynes; Colorado Springs: Paternoster, 2009), 129­–38.

‘Seen to be Remembered: Representation and Recollection in Contemporary British Evangelicalism’ in Mark Smith (ed.) British Evangelical Identities Past and Present, 1, Aspects of the History and Sociology of Evangelicalism in Britain and Ireland (Milton Keynes; Colorado Springs: Paternoster, 2009), 180–200.

‘Visual Typology and Pentecostal Theology: The Paintings of Nicholas Evans,’ in Martin O’Kane (ed.) Imaging the Bible: An Introduction to Biblical Art (London: SPCK, 2008), 123–41.

‘Revival, Revisions, Visions and Visitations: The Resurgence and Imaging of Supernatural Religion, 1850–1940,’ Welsh History Review, 23/2 (Dec. 2006), 75–98.

‘The Photographic Medium: Representation, Reconstitution, Consciousness, and Collaboration in Early-Twentieth-Century Spiritualism,’ Technoetic Arts: A Journal of Speculative Research, 2/2 (2004), 109–23.

‘Seen to be Remembered: Presentation, Representation and Recollection in British Evangelical Culture since the Late 1970s,’ Journal of Design History, 17/2 (2004), 177–92.

‘Images of God: Artistic Inspiration and Pentecostal Theology (A Case Study),’ Journal of Pentecostal Theology, 10 (Apr. 1997), 111–24.

‘Nicholas Evans: Paintings by a Mad Pianist,’ in John Harper (ed.), Welsh Music History/Hanes Cerddoriaeth Cymru, 2 (Cardiff: University of Wales Press, 1997), 236–51.

‘Spiritual Emblems: Visions of the 1904–5 Welsh Revival,’ Llafur: Journal of Welsh Labour History, 6/2 (1993), 75–91.

‘Work and Worship: Mining and Religion in the Paintings of Nicholas Evans,’ Llafur: Journal of Welsh Labour History, 6/1 (1992), 62–81.

‘The Art of Piety,’ Planet: The Welsh Internationalist, 51 (1986), 77–84.

‘Celfydydd ac Anghyffuriaeth Gymreig’ [Art and Nonconformity in Wales], Link, 51 (Aug. 1986), 19–22.

‘Art and Welsh Nonconformity: A Challenge to a Popular Fallacy,’ Dyfed County Supplement, 4 (Aug. 1985), 3–10.