The following Unicode-related documents record the purpose and process of defining specific characters in the Nabataean block:
Everson, Michael (2010-12-09). "N3969: Proposal for encoding the Nabataean script in the SMP of the UCS" (PDF). Working Group Document, ISO/IEC JTC1/SC2/WG2. https://www.unicode.org/L2/L2010/10473-n3969-nabataean.pdf ↩
Proposed code points and characters names may differ from final code points and names ↩