LefelGroupDisgrifiadCollection of drawings produced by Howard Thomas in the course of his career with RCAHMW, mainly relating to medieval sites and buildings Glamorgan.ArchifH.J. Thomas CollectionDyddiadRhif Archif6044503
LefelGroupDisgrifiadOne box of miscellaneous material derived from the work of Howard Thomas. Includes notes, drawings, copied extracts.ArchifH.J. Thomas CollectionDyddiadRhif Archif6044713
