In the following essay, Almond explains major influences on Otto's thought.

In the following essay, Bastow examines the phenomenological aspects of Otto's religious theory.

In the following essay, Ballard examines Otto's phenomenology of the numinous and Heidegger's "ontological inquiry" as set out in his Being and Time.

In the following essay, Wach presents an overview of Otto's life, works, and impact on modern European theology.

In the following essay, Varnado examines the place of the numinous experience in Gothic literature.

In the following essay, Davidson examines the influence of The Idea of the Holy and several of Otto's other major works on modern religious studies.

In the following essay, Lopez compares Otto's idea of the numinous with that of Tibetan Buddhist scholars, particularly the "mysterium tremendum."

In the following essay, originally published in 1959 in The Church Quarterly Review, Smart contends that Otto misunderstood the notion of nirvana, thus throwing into confusion his notion of the numinous in religious experience.

In the following essay, Lattke discusses Otto's friendship with and intellectual split from Rudolf Bultmann at the University at Marburg.

In the following essay originally published in 1922 in the Martin Buber journal Der Jude, Strauss relates Otto's The Idea of the Holy to European Judaism.