John Hick & Arthur C. McGill 
The Many-Faced Argument [PDF ebook] 
Studies on the Ontological Argument for the Existence of God

The Many-Faced Argument presents a compilation of essays on the ontogical argument for the existence of God, covering responses to Anselm’s position in the first half, and, in the second half, covering developments of the argument in the context of modern philosophy. Along with contibutions by editors Hick and Mc Gill, other writers include Karl Barth, Andre Hayden, Anselm Stolz, Bertrand Russell, Jerome Shaffer, Gilbert Ryle, Aime Forest, Norman Malcolm, and Charles Hartshorne.
While interest in the the ontological argument has arisen from various disciplines — historical, theological and philosophical — the purpose of this book is to bring these varied writings together so that scholars and students within each discipline may have contributions from other fields readily available.

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