- Types of Mankind, or, Ethnological Researches
- Two Lectures On the Natural History of the Caucasian and Negro Races
- Two Lectures On the Connection Between the Biblical and Physical History of Man: Delivered by Invitation from the Chair of Political Economy, Etc., of the Louisiana University, in December 1848
- Two Lectures On the Natural History of the Caucasian and Negro Races
- Indigenous Races of the Earth; or, New Chapters of Ethnological Inquiry; Including Monographs on Special Departments












