'''Canadian Subject Headings (CSH)''' are maintained by Library and Archives Canada (LAC).
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General information about CSH is available [https://library-archives.canada.ca/eng/services/services-libraries/cataloguing/Pages/canadian-subject-headings.aspx on LAC's Internet page]
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;[https://www.marc21.ca/index-e.html MARC 21 Standards] : Learn details about the MARC 21 standards such as format changes, specifications, code and term lists, field codes, RDA in MARC, as well as news and announcements.
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Canadian Subject Headings download files, including a subset of CSH specifically related to Indigenous peoples are [https://www.marc21.ca/CSH/index-e.html available here]