World-Life
Or, Comparative Geology »

Shall We Teach Geology ?; A Discussion Of The Proper Place Of Geology In Modern Education
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Sketches Of Creation: A Popular View Of
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Adamites And Preadamites
Or, A Popular Discussion Concerning The Remote Representatives Of The Human Species And Their Relation To The Biblical Adam »

Sparks From A Geologist's Hammer (1881)
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Geological Studies; Or, Elements of Geology. for High School
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Shall We Teach Geology ?
A Discussion of the Proper Place of Geology in Modern Education »

Geological Studies, Or, Elements Of Geol
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Preadamites
Or, A Demonstraiton Of The Existence Of Men Before Adam; Together With A Study Of Their Condition, Antiquity, Racial Affinities, And Progressive Dispersion O... »

Syllabus of Courses of Lectures and Instruction in General Geology, With References to Sources of Information
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