Published out of order
v. 1. Pre-Norman (Pt. 1: Stone and Bronze Ages; pt. 2: Iron Age and the Roman Occupation; pt. 3: Early Christian period). v. 3. Medieval secular monuments (pt. 1a. The early castles from the Norman Conquest to 1217 ; pt. 1b. The later castles from 1217 to the present ; pt. 2. Non-defensive).
v. 4: Domestic architecture from the Reformation to the Industrial Revolution (Pt. 1. The greater houses; Pt. 2. Farmhouses and cottages).
An inventory of the ancient monuments in Glamorgan by Royal Commission on Ancient and Historical Monuments in Wales. ISBN 0113000200. Published by H.M.S.O in 1976. Publication and catalogue information, links to buy online and reader comments.