*** This version of Confluence is for testing only and contains a copy of content from June 29th 2026. No changes will be preserved. ***
...
310 -- Frequency. for continuing resources, consider the frequency of updates to be the frequency of resource.
336 – Content type.
337 – Media type.
338 – Carrier type.
362 -- Designation. Use the unformatted 362 (1st indicator 1) to supply numbering/dates of publication whenever this information is available.
...