The Silurian System, Founded on Geological Researches in the Counties of Salop, Hereford Etc

On the Geological Structure of the Alps, Apennines and Carpathians: More Especially to Prove a Transition from Secondary to Tertiary Rocks, and the Development of Eocene Deposits in Southern Europe

Siluria: The History of the Oldest Known Rocks Containing Organic Remains, with a Brief Sketch of the Distribution of Gold Over the Earth

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 Coal-Fields and Overlying Formations, Volu

The Geology of Russia in Europe and the Ural Mountains, Vol. 1 of 2: Geology (Classic Reprint)