'Cause A caused both B and C? If you see the codex and the shroud contain the "same" information, doesn't it seem reasonably likely they got it from the same pl

'Cause A caused both B and C? If you see the codex and the shroud contain the "same" information, doesn't it seem reasonably likely they got it from the same place? And people weren't bad at copying back then, so the "same place" could really be all over.