Island Life; Or, The Phenomena and Causes of Insular Faunas and Floras

Man and the Glacial Period

Drainage Modifications and Glaciation in the Danbury Region Connecticut State of Connecticut State Geological and Natural History Survey Bulletin No. 30

The Coming Ice Age

Climate and Time in Their Geological Relations A Theory of Secular Changes of the Earth's Climate

The Antiquity of Man

Eiszeit und Klimawechsel

Geological and solar climates

Physical Geography

Fragments of Earth Lore: Sketches & Addresses Geological and Geographical