The following Unicode-related documents record the purpose and process of defining specific characters in the Superscripts and Subscripts block:
| Version | Final code points| Count | L2 ID | WG2 ID | Document | |
|---|
| 1.0.0 | U+2070, 2074..208E | 28 | (to be determined) |
| 3.2 | U+2071 | 1 | [https://www.unicode.org/L2/L2000/00159-ucsterminal.txt L2/00-159]}} | title=Supplemental Terminal Graphics for Unicode|date=2000-03-31|first=Frank da|last=Cruz}} |
| [https://www.unicode.org/L2/L2000/00115.htm L2/00-115R2]}} | title=Minutes Of UTC Meeting #83|date=2000-08-08|first=Lisa|last=Moore|section=Motion 83-M24}} |
| [https://www.unicode.org/L2/L2000/00329-TerminalSumForm.pdf L2/00-329]}} | [https://www.unicode.org/wg2/docs/n2265.doc N2265] | title=Proposal for Terminal Graphic Symbols in the BMP|date=2000-09-19|first=Ken|last=Whistler}} |
| [https://www.unicode.org/L2/L2001/01050-n2353.pdf L2/01-050]}} | [https://www.unicode.org/wg2/docs/n2253.pdf N2253] | title=Minutes of the SC2/WG2 meeting in Athens, September 2000|date=2001-01-21|first=V. S.|last=Umamaheswaran|section=Resolution M39.20 (Terminal Graphic Symbols)}} |
| 4.1 | U+2090..2094 | 5 | [https://www.unicode.org/L2/L2004/04077-n2705-laryngeals.pdf L2/04-077]}} | [https://www.unicode.org/wg2/docs/n2705.pdf N2705] | title=Proposal to encode five Indo-Europeanist phonetic characters in the UCS|date=2004-02-02|first1=Deborah|last1=Anderson|first2=Michael|last2=Everson|authorlink2=Michael Everson}} |
| [https://www.unicode.org/L2/L2004/04191-n2788-laryngeals.pdf L2/04-191]}} | [https://www.unicode.org/wg2/docs/n2788.pdf N2788] | title=Proposal to encode six Indo-Europeanist phonetic characters in the UCS|date=2004-06-07|first1=Deborah|last1=Anderson|first2=Michael|last2=Everson}} |
| [https://www.unicode.org/L2/L2004/04156.htm L2/04-156R2]}} | title=UTC #99 Minutes|date=2004-08-13|first=Lisa|last=Moore|section=Indo-European laryngeals (A.16)}} |
| 6.0 | U+2095..209C | 8 | [https://www.unicode.org/L2/L2009/09028-n3571-upa-additions.pdf L2/09-028]}} | [https://www.unicode.org/wg2/docs/n3571.pdf N3571] | title=Proposal to encode additional characters for the Uralic Phonetic Alphabet|date=2009-01-27|first1=Klaas|last1=Ruppel|first2=Tero|last2=Aalto|first3=Michael|last3=Everson}} |
| [https://www.unicode.org/L2/L2009/09195-realloc-sub.pdf L2/09-195]}} | title=Proposal to reallocate eight phonetic subscripts|date=2009-05-04|first=Laurențiu|last=Iancu}} |
| [https://www.unicode.org/L2/L2009/09104.htm L2/09-104]}} | title=UTC #119 / L2 #216 Minutes|date=2009-05-20|first=Lisa|last=Moore|section=119-C28}} |
| [https://www.unicode.org/L2/L2009/09304-usnb-cmts-rev-pdam8.pdf L2/09-304]}} | title=US Position on PDAM 8|date=2009-08-15|first=Deborah|last=Anderson|section=T.4}} |
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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