2023-02-10问：Europe, and in Ancient Russia
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2023-02-10问：Manuscript is a collective name for texts
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2023-02-10问：The most common form
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2023-02-10问：number of surviving European
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2023-02-10问：Since the era of Charlemagne
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2023-02-10问：works of art.
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2023-02-09问：then only a few have reached us
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