335 - Extension Plan (R)

$a - Extension plan term (NR)

Extension plan of the work being described.

$b - Extension plan code (NR)

Code representing the extension plan of the work being described.

$0 - Authority record control number or standard number (R)

See description of this subfield in Appendix A: Control Subfields.

$1 - Real World Object URI (R)

See description of this subfield in Appendix A: Control Subfields.

$2 - Source (NR)

$3 - Materials specified (NR)

Part of the described materials to which the field applies.

$6 - Linkage (NR)

See description of this subfield in Appendix A: Control Subfields.

$7 - Data provenance (R)

See description of this subfield in Appendix H: Data Provenance Subfields.

$8 - Field link and sequence number (R)

See description of this subfield in Appendix A: Control Subfields.