found: At the table of the Grail, 1984 (a.e.)CIP t.p. (John Matthews) CIP data sheet (b. 1/14/48)
found: LC data base 7/6/83(hdg.: Matthews, John)
found: Steampunk tarot, 2012:ECIP t.p. (John Matthews) data view (author, advisor on several motion pictures, including Jerry Bruckheimer's King Arthur)
found: Amazon.co.uk website, viewed 8 Feb. 2017:his author page (John Matthews " I've written nearly a 100 books over the last 30 years or so. Books about many things. Pirates, King Arthur and the Grail Quest, Faeries, Robin Hood,and many more. I love folklore, history and film and I recently began writing for movies and TV, creating documentaries, TV scripts and motion pictures. I write in collaboration with many of my dearest friends, including Wil Kinghan, Ari Berk,and David Franzoni, and with some of the finest artists in the world, including Brian Froud, Charles Vess and Alan Lee. I have also written many books with my partner Caitlin Matthews")
found: Wikipedia, viewed 8 Feb. 2017:under John and Caitlin Matthews (John Matthews (born 1948) has been involved in the study of the mysteries of Britain, including the Arthurian Legends and the Grail Myth, for almost fifty years. He has published over ninety books on myth, the Arthurian legends, and Grail studies. John and and CaitlĂn Matthews have written over 150 books, translated into more than thirty languages, including tarot packs, a card-based storytelling system, screenplays, songs and other works)