Originally published as "Religionen: Wesen und Geschichte." Gütersloh, C. Bertelsmann Verlag.

[1] The science of religion: aspects and problems. What is religion? -- The origins of religion -- Basic ideas of the science of religion -- The thinking of primitive peoples -- Basic modes of relationship between man and deity -- Typical personalities in the world of religion -- [2] Extinct religions outside of Europe. Religion in Babylonia -- The Egyptian religion -- The religion of the Persians -- Religions in Pre-Columbian America -- [3] Extinct religions within Europe. The religions of the Teutons -- The religion of the Celts and Slavs -- The religion of the Greeks -- The religion of the Romans -- 4] The great religions of the East. Hinduism -- Buddhism -- Religion in Tibet -- Religion in China -- Religion in Japan -- [5] The religions of biblical revelation. Judaism -- The religion of Islam -- Christianity.