B. A. Pauw 
Religion in a Tswana Chiefdom [PDF ebook] 

Originally published in 1960, this book is a study of religion among the Tlhaping, a rural Bantu society who were the first among the Tswana tribes to come into contact with Europeans. The religious organization of the Tlhaping has been viewed within the framework of the people’s social structure and economy. The book traces the declining influence of paganism before surveying the types of churches, their organization, activities, rituals and revelations, with particular reference to Bantu separatist churches.