You make two very good points I think I will change the first sentence to The binding of red leather with gilt tooling is post medieval until we have a more specific date I see your point on the word prefatory Can you suggest a better term to cover the all of non biblical texts and tables that were included with with early Gospel Books Jerome s letters the canon tables name lists the various prologues and arguments etc Perhaps explanatory might work I do think that the fact that the prologues are gathered together in the beginning should be mentioned since in many of the other insular manuscripts they are not