Since manuscripts are subject to deterioration

antiquities. These are the Egyptian papyri

among them acquired "Moral

text carrier and protective

only a few survived.

and was erased, and on cleaned

the spread of parchment.

Since the era of Charlemagne

or their samples written

so expensive material

the best poets of his era and

Century to a kind of destruction:

, text and illustrations to which

mostly in monasteries.