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