BIBLIOGRAPHY
"Facts of the Song Dynasty," Vol. 15, and "History of Song," Vol. 181 (Jiaozi).
Li You, "Facts of the Song Dynasty," and "History of Song" (Wikisource)

Claims Supported by This Source
- A run on private Jiaozi: shops closed their gates, and only 700 to 800 wen could be obtained per string (guan).
- The official Jiaozi was established on the 28th day of the 11th month of the first year of the Tiansheng era, and issuance began on the 20th day of the 2nd month of the second year (the second issue totaled 3,884,600 guan, which does not match the amount in the "History of Song").
- "History of Song," Vol. 181: It was managed by sixteen wealthy households, who later became unable to pay, leading to constant litigation. The Yizhou Jiaozi Bureau was established. The amount for one issue was 1,256,340 min.
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