Places to use Language Codes in MARC Records MARC 041
as well as MARC 546 and of course the leader.
- https://www.oclc.org/bibformats/en/about/onlinecataloging.html#languageofcataloging
- https://www.loc.gov/aba/rda/mgd/expression/index.html
- Searching Worldcat: https://help.oclc.org/Librarian_Toolbox/Searching_WorldCat_Indexes/Bibliographic_records/Bibliographic_record_indexes/Indexes_I_to_L/30Language
- https://www.oclc.org/bibformats/en/fixedfield/lang.html
- https://www.loc.gov/aba/pcc/taskgroup/BABEL-TG-Charge.pdf
- https://www.loc.gov/aba/pcc/taskgroup/BABEL-Final-Report.docx
- https://groups.google.com/g/vivo-community/c/0LIQjqTICxA?pli=1