A book detailing the origins of silk. Creator unknown, dated to the 19th to 20th century. Written in the Shuangbai dialect.
At the time of digitisation the original material remained the property of Lu Tianqi.
At the time of digitisation the original material remained the property of Lu Dianguang.
At the time of digitisation the original material remained the property of Pu Zhaoshun.
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