Step 4.5
From AC Wiki
Step 4.5 : Authority Record Selection Criteria
MARS 2.0 offers you the option of either receiving all authority records or records that are considered interesting. Interesting authority records are defined as containing one or more of the following fields:
- 4XX - see from xref
- 5XX - see also from xref
- 260, 360, 66X - reference headings
- 64X - series treatment note
- 678 - biographical or historical data
- 680, 681, 682, 688 - public general or tracing note, delete heading information, or history note