Elements of Geology

1838

Principles of Geology

1830

Principles of Geology

Or, the Modern Changes of the Earth and Its Inhabitants, Considered As Illustrative of Geology, Volume 3

1991

Principles of Geology

Or, the Modern Changes of the Earth and Its Inhabitants Considered As Illustrative of Geology, Volume 2

1991

Principles of Geology, Volume 1

1990

The Geological Evidences of the Antiquity of Man with Remarks on Theories of the Origin of Species by Variation

1863

The Perfect Pandemic

How Mass-Denial Turned A Curable Brain Disease Into The Pandemic To End All Pandemics

2011

The Student's Elements of Geology

2004

Travels in North America

With Geological Observations on the United States, Canada, and Nova Scotia

1970