David H. Williams

The Cistercians in the Early Middle Ages

Cistercian Chronicles and Necrologies

Island Monastery

Short History of the Anglican Chaplaincy, Warsaw, Poland

The Five Wounds of Jesus

Letters of Edward Copleston, Bishop of Llandaff, 1828-1849

The Welsh Cistercians

Catalogue of Seals in the National Museum of Wales

The Welsh Cistercians