Chicago: S.C. Griggs and Company, 1888. — vi, 347 p.
Types of mankind
The home of the aryans
The aryan outflow
The aryans at home
The household and the village
The double system of aryan worship
The course of political development
The development of language
The age of philosophy
The aryan literature
Other aryan characteristics
Historical migrations
The future status of human races