Open kirkhess opened 6 months ago
Subfield e is not supported in m2bf2, and is very infrequently used in 383s in WC but it is in use.
e.g. https://lccn.loc.gov/2019564428/marcxml
<datafield ind1=" " ind2=" " tag="383">
<subfield code="b">op. 39</subfield>
<subfield code="e">Pleyel</subfield>
</datafield>
<datafield ind1=" " ind2=" " tag="500">
<subfield code="a">"Pleyel took the liberty of extracting these twelve quartets from the collection of Boccherini's works in which he had acquired proprietary rights and publishing them, without any intimation to the reader of the true facts, with a single Opus number, although in relaity they were composed at various dates between 1780 and 1795 and are borrowed from various opera of Boccherini without any respect for chronological order."--Gérard.</subfield>
</datafield>
The 383 field is pretty specific to music cataloging; the shape used by BIBFRAME is significantly different from the MLA specifications.
For exampe: https://lccn.loc.gov/2020564285/marcxml (ocn 923157573)
CPE Bach ("Helm" in mlati), is converted into repeated Music Thematic Numbers with the 383$cd concatenated and no $2. https://id.loc.gov/resources/works/23417108
Converting that back to MARC, you get this:
But it could be something like this (or like the original):
Without some kind of new property/Class to hold the thematic numbering prob. this form is the only option.