7 books
The Traces of a Primitive Monotheism (Primitiver Monotheismus) English Edition Classic Version
Questions and Phases of Modern Missions (Classic Reprint)
Oriental Religions and Christianity - Scholar's Choice Edition
Oriental Religions and Christianity a Course of Lectures Delivered on the Ely Foundation Before the Students of Union Theological Seminary, New York,
Questions and Phases of Modern Missions
Oriental Religions and Christianity: A Course of Lectures Delivered on the Ely Foundation Before the Students of Union Theological Seminary, New York, 1891
Oriental Religions and Christianity