L. A. S. Butler, ‘Medieval ecclesiastical architecture in Glamorgan and Gower’, in T B Pugh (ed), Glamorgan county history: Volume III, The Middle Ages, Cardifff, 1971, 379–415
G. T. Clark and R. O. Jones, ‘Some account of the parish of Penmark’, Archaeologia Cambrensis 3rd series, 7, 1861, 1–22
J. Denton and B. Taylor, ‘The 1291 valuation and the ecclesiastical benefices of Llandaff diocese’, Archaeologia Cambrensis 147, 1988, 133–158
E. M. Evans, ‘St Mary’s Church, Penmark’, Glamorgan Historic Churches Survey: Churches in the Archdeaconry of Llandaff, Deanery of Penarth & Barry, Glamorgan-Gwent Archaeological Trust report for Cadw, 1998
C. A. H. Green, Notes on churches in the diocese of Llandaff, 1906–7, 62-3
J. Newman, The Buildings of Wales. Glamorgan, Harmondsworth, 1995, 504–05
G. Orrin, Medieval Churches in the Vale of Glamorgan, Cowbridge, 1988, 297–303
W. Rees, ‘The priory of Cardiff and other possessions of the abbey of Tewkesbury in Glamorgan’, South Wales and Monmouthshire Record Society 2, 1950, 129–99
Royal Commission on the Ancient and Historical Monuments of Wales, The Later Castles from 1217 to the Present, An Inventory of the Ancient Monuments in Glamorgan, volume III, part 1b: Medieval Secular Monuments, Aberystwyth, 2000
M. Salter, Old Parish Churches of Gwent, Glamorgan and Gower, Malvern, 2002, second edition, 96–97
M. Thurlby, Romanesque Architecture and Sculpture in Wales, Woonton, 2006, 178–79