| 问：Preserved about 300 thousand. -— 2021-04-15 |
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| 问：manuscripts significantly -— 2021-04-14 |
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| 问：manuscripts underwent in the Middle -— 2021-04-14 |
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| 问：drafts of literary works -— 2021-04-14 |
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| 问：among them acquired "Moral -— 2021-04-14 |
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| 问：only a few survived. -— 2021-04-14 |
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