IRG U Source · · · Info · Values The 'kIRG_USource' property records the source reference or code for this character in the Unicode standard, as cataloged by the Ideographic Rapporteur Group (IRG). kIRG_USource · · Code (Short Name / Abbr) Values · UCI-00939 UTC-00001 UTC-00002 UTC-00003 UTC-00004 UTC-00005 UTC-00006 UTC-00007 UTC-00008 UTC-00009 UTC-00010 UTC-00011 UTC-00012 UTC-00013 UTC-00014 UTC-00015 UTC-00016 UTC-00017 UTC-00018 UTC-00019 UTC-00020 UTC-00021 UTC-00022 UTC-00023 next ❯