Essay on the Theory of the Earth

Narrative of Discovery and Adventure in the Polar Seas and Regions: With Illustrations of Their Climate, Geology, and Natural History, and an Account of the Whale-fishery

Narrative of Discovery and Adventure in the Polar Seas and Regions with Illustrations of Their Climate, Geology, and Natural History: And an Account of the Whale-fishery

Narrative of Discovery and Adventure in Africa: From the Earliest Ages to the Present Time