Template:Murchison, 1839

• 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. London, John Murray. [Part I. The Silurian Region. (pp. i–xxxii + 1–576.): BHL; Part II. Organic Remains. (pp. 579–768, pl. 1–37.) BHL]  
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