The following Unicode-related documents record the purpose and process of defining specific characters in the Yijing Hexagram Symbols block:
| Version | Final code points| Count | L2 ID | WG2 ID | Document | |
|---|
| 4.0 | U+4DC0..4DFF | 64 | [https://www.unicode.org/L2/L2001/01283-N2363.pdf L2/01-283]}} | [https://www.unicode.org/wg2/docs/n2363.pdf N2363] | title=Proposal to add monogram, digram and hexagram characters to the UCS|date=2001-07-25|first1=Richard|last1=Cook|first2=Michael|last2=Everson|authorlink2=Michael Everson|first3=John H.|last3=Jenkins}} |
| [https://www.unicode.org/consortium/utc-minutes/UTC-088-200108.html L2/01-295R]}} | title=Minutes from the UTC/L2 meeting #88|date=2001-11-06|first=Lisa|last=Moore|section=Motion 88-M4}} |
| [https://www.unicode.org/L2/L2002/02154-n2403-minutes.pdf L2/02-154]}} | [https://www.unicode.org/wg2/docs/n2403.pdf N2403] | title=Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2001-10-15/19|date=2002-04-22|first=V. S.|last=Umamaheswaran|section=7.3}} |
1. ^{{cite web|url=https://www.unicode.org|title=Unicode character database|work=The Unicode Standard|accessdate=2016-07-09}}
2. ^{{cite web|url=https://www.unicode.org/versions/enumeratedversions.html|title=Enumerated Versions of The Unicode Standard|work=The Unicode Standard|accessdate=2016-07-09}}
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