Figures and Descriptions of the Palæozoic Fossils of Cornwall, Devon and West Somerset; observed in the course of the Ordnance Geological Survey of that district. By John Phillips, etc (1841)
PHILLIPS, John - F.R.S · Longman & Co. · leaf 259
British Library · HMNTS 7108.c.34. · Digitised by the British Library with Microsoft · No known copyright restrictions (public domain). Free to use for anything.
