The following Unicode-related documents record the purpose and process of defining specific characters in the Old Permic block:
Everson, Michael (2012-04-26). "N4263: Revised proposal for encoding the Old Permic script in the SMP of the UCS" (PDF). Working Group Document, ISO/IEC JTC1/SC2/WG2. https://www.unicode.org/L2/L2012/12137-n4263-permic.pdf ↩
Proposed code points and characters names may differ from final code points and names ↩