There has been data ("Hegel's Metaphysics of God: The Ontological Proof as the Development of a Trinitarian Divine Ontology (Ashgate New Critical Thinking in Philosophy) - ISBN-13 978-1-351-80687-9") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Dec 31 22:46:19 2019, so the data displayed here has been removed .