Otto, Rudolf, 1868-1937. The idea of the holy : an inquiry into the non-rational factor in the idea of the divine and its relation to the rational / by Rudolf Otto ....translated by John W. Harvey. - London : Oxford University Press, 1923 - xv, 228 p. ; 22 cm. Open access. LCCN: 2411216 Subjects--Topical Terms: Religion.Psychology, Religious.