Display constants for 7XX Linking Entries:

In the 7XX linking entry fields, phrases such as those listed below are not carried in the MARC record. They may be system generated as display constants associated with the field tag.

When the 1XX and 7XX headings are from different systems or thesauri, a display constant may be a combination of a tag-related phrase like one of the above and either coded or textual data generated by the value in the second indicator position (Subject heading system/thesuarus) or the source code in subfield $2 (Source of heading or term) .

For field 788 , the complete display constant may be a combination of a tag-related phrase and explicit text contained in subfield $i (Explanatory text) .