Murchison, R. I. (1839). The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford : with descriptions of the coalfields and overlying formations. [Book, 3 volumes, vol 1 by Murchison] John Murray, Albemarle Street.
The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford : with descriptions of the coalfields and overlying formations
J. Murray, London
[Book, 3 volumes, vol 1 by Murchison] John Murray, Albemarle Street
With contributions by ; Clive, H. W.; Gardner, J.; Hullmandel, C. J.; Ince, J. M.; Murchison, C.; Murray, J.; Phillips; Picken, A.; Salter, J. W.; Scharf, G.; Stackhouse Acton, F.; Taylor, J. E.; Taylor, J. E.; Taylor, R.; Traherne, C. L.; Webster, T.; Whymper, J. W.;