In this work, Gökalp explains the results of his research on Kurdish tribes in terms of their origin, history, geography, language, culture.
He makes a scientific classification of Kurdish tribes, provides detailed information on various subjects such as the customs, traditions, and livelihoods of the Kurds.
He provides detailed information on various subjects such as birth, death, wedding ceremonies, tracking and punishing criminals, and their behavior towards foreigners. He argues that many of the tribes that have become Kurdish today are actually Turks.
He tries to explain the sociological and political reasons for the Kurdishization of Turkish tribes in an objective and convincing way.