Digital images of jia jia yi zi shi, a book on choosing dates. Date: 1960s. Author / scribe: Unknown.
The original manuscripts are currently held by Shi Wenhan.
"The original materials are owned by Pan Yushan of Duyun, Guizhou.".
The original manuscripts are currently held by Pan Changmeng.
The original manuscripts are currently held by Pan Changmao.
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