Non-public General note contains information intended for staff use only
The note is written in free form in subfield $a (Scope note).
Various notes are separated from each other by ISBD punctuation.
Abbreviations are used according to AACR2.
More than one Non-public General note may be recorded in separate 667 fields.
667 $a Do not use session field with this since the symbol refers to all Preparatory Meetings
667 $a Do not use in MAINBODY field; use A/