Cerrig yng Nghymru : deunyddiau, treftadaeth a chadwraeth : papurau o Gynhadledd Cerrig yng Nghymru, Caerdydd 2002  /
Coulson, Malcolm R.
Cadw (Organization : Great Britain)
Geologists' Association.
Countryside Council for Wales.
British Geological Survey.
National Museums & Galleries of Wales.
Wales.Welsh Assembly Government.
Caerdydd : Cadw,
2005.
Bound back to back and inverted.
Includes bibliographical references and index.
Stone
Stone buildings