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- Metadata Librarians listserv (metadatalibrarians@lists.monarchos.com)
- samvera-community (samvera-community@googlegroups.com)
- samvera-metadata (samvera-metadata@googlegroups.com)
- fedora-community (fedora-community@googlegroups.com)
- code4lib (code4lib@lists.clir.org)
- DC-GENERAL listserv (DC-GENERAL@JISCMAIL.AC.UK)
- LITA / ALCTS Linked Library Data Interest Group Email List (lita-lld@lists.ala.org)
- Bibliographic Framework Transition Initiative Forum (BIBFRAME@LISTSERV.LOC.GOV)
- PCDM (pcdm@googlegroups.com)
- Bibliographic Ontology Specification Group (bibliographic-ontology-specification-group@googlegroups.com)
- OCLC Metadata Management Interest Group List (found mention here, but no link?)
- DPLA All Hubs (allhubs@dp.la)
- DLF-ANNOUNCE (DLF-ANNOUNCE@LISTS.CLIR.ORG)
- MODS listserv (MODS@LISTSERV.LOC.GOV)
- Islandora (islandora@googlegroups.com)
Individuals/groups
- ALCTS Metadata IG members (http://www.ala.org/alcts/mgrps/ig/ats-nrmc)
- LITA / ALCTS Metadata Standards Committee (http://www.ala.org/lita/about/committees/jnt-meta)
- LD4P Directory (https://wiki.duraspace.org/display/LD4P/LD4P+Directory)
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