The title of this book is Ysgrifau Athronyddol ar Grefydd and is written by author J. I. Daniel. The book Ysgrifau Athronyddol ar Grefydd is published by University of Wales Press. The ISBN of this book is 9780708307724 and the format is Paperback / softback. The publisher has not provided a book description for Ysgrifau Athronyddol ar Grefydd by J. I. Daniel.