Hildegard of Bingen was a famous educated medieval woman, and nun, who wrote music. <span>
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Alright look, I am not 100% sure, but I am going to try to help you the best I can. I personally think it's in government archives because it would have been stored away there and would most likely be preserved so people can learn about it and it's origins.
The answer to this is true because that's how they worked.