Die Religion Zarathushtras, 3 Bde., Bd.1, Geschichte

Demise of Religion

Zarathustra and Zoroastrianism

Faszination Zarathushtra

The Oxford Handbook of the Study of Religion

The Routledge Handbook of Research Methods in the Study of Religion

The Routledge handbook of research methods in the study of religion

Contemporary theories of religion

Zoroastrian Rituals in Context (Studies in the History of Religions, V. 102.)

Theories of Religion

21st Century Theories of Religion