Notes about the Google sheet:MARC Import last reviewed - default is 7/15/2013
The most up-to-date import/export mappings for MARC and EAD are found here:
Steps taken by the 2019-2020 TAC Metadata Standards subgroup in reviewing the published import/export mappings.
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Server for metadata testing: http://metadata.lyrtech.org/staff/ (admin/admin)
Import Testing
Log in to sandbox. Create a repository if necessary. Create a background import job, choose the record type, and the test file. Run the import. Review the desired field. If needed, modify the test file to add/subtract/edit fields, commit to repo, and re-import.
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