Coba jelasin Buku-bukunya dalam bahasa Inggris dari Rudolf Otto dong

Naturalism and religion, London 1907

The life and ministry of Jesus, Chicago 1908

The Idea of the Holy, Oxford 1923, ISBN 0-19-500210-5

Christianity and the Indian Religion of Grace, Madras 1928

India's Religion of Grace and Christianity Compared and Contrasted, New York 1930

The philosophy of religion based on Kant and Fries, London 1931

Religious essays: A supplement to The Idea of the Holy, London 1931

Mysticism east and west: A comparative analysis of the nature of mysticism, New York 1932

The original Gita: The song of the Supreme Exalted One, London 1939

The Kingdom of God and the Son of Man: A Study in the History of Religion, Boston 1943

Autobiographical and Social Essays, Berlin 1996

The Idea of the Holy telah diterjemahkan ke dalam bahasa Persia oleh Prof. Homayoun Hemmati dengan judul Mafhoome Amre Ghodsi, Tehran, 2001.