* [http://books.google.com/books?id=IjxMRgYhQPYC Process and Reality: An Essay in Cosmology]; [[Gifford Lectures]] Delivered in 1930 By Alfred North Whitehead published by Macmillan & Co. | * [http://books.google.com/books?id=IjxMRgYhQPYC Process and Reality: An Essay in Cosmology]; [[Gifford Lectures]] Delivered in 1930 By Alfred North Whitehead published by Macmillan & Co. |