Code 071 - Publisher's number (Sound Recordings and Music) (R)
Indicator l: Type of Publisher's Number 0 Issue Number 1 Matrix Number 2 Plate Number 3 Other Publisher's Number (Printed Music) Indicator 2: Note Indicator 0 Do not make a note 1 Make a note
Subfield codes: $a Publisher's Number (Not repeatable) $b Source (Not repeatable)