Keywords: Arthur ; Arthur King ; Britons Kings and rulers ; Legends ; History and criticism ; Legends Great Britain ; History and criticism ; Grail Legends ; History and criticism ; Arthurian romances Sources ; Mythology, Iranian ; Mythology, Celtic ; Great Britain Antiquities, Celtic ; Myths By ; Celts ; Britons Kings and rulers ; Folklore ; Legends History and criticism ; Grail Legends ; History and criticism ; Mythology, Iranian ; Arthurian romances Sources ; Camelot (Legendary place) ; Mythology, Celtic ; Great Britain Antiquities, Celtic ; Arthur ; King ; Britons ; Kings and rulers ; Folklore ; Legends ; Great Britain ; History and criticism ; Grail ; Legends ; History and criticism ; Great Britain ; Antiquities, Celtic ; Arthurian romances ; Sources ; Camelot (Legendary place) ; Mythology, Iranian ; Mythology, Celtic ; Artusepik ; Gralssage ; Artus Fiktive Gestalt ; Gralssage