See also:
Bartleby.com: Sir Charles Lyell Includes etexts of scientific papers, "The Progress of Geology" and "Uniformity of Change". http://www.bartleby.com/people/Lyell-Si.html
Cofrhigeorama Provides historical information on geology, mineralogy, petrology and other Earth sciences. In French and English. http://babouchka.net/veneux/cofrhigeo/
The Great Devonian Controversy A review of the book by Martin Rudwick about this 19th century geological controversy. http://www.friesian.com/rudwick.htm
GSA History of Geology Division Web site includes organization information, as well as several papers on important geologists and their work. http://gsahist.org/
HESS: History of the Earth Sciences Society International society devoted to the history of earth sciences. Site has information about the organization and its journal, Earth Sciences History. http://historyearthscience.org/
Lord Kelvin and the Age of the Earth Mathematical details of Lord Kelvin's young earth calculation, from a course in applied fourier analysis. In PDF format. [PDF] http://www.me.rochester.edu/courses/ME201/webexamp/kelvin.pdf
Out of Print Geology Books for sale Also including books on paleontology, mineralogy, mining, explorations, early surveys, volcanology, seismology and meteoritics. http://geology-books.com/newcatalog.html