Karen Coyle wrote in part:
>I could see a value for "overall scope" subject headings, and "also
>has something
>about" subject headings -- coded differently so you could search at
>different levels. Mann contracts "overall scope" with keyword
>searching, but as you show below, there could be levels in between
>those two that are useful.
MARC21 has this, sorta, but doesn't go far enough with it, in my
opinion. The first indicator in the 650 field, for instance,
includes coding for ranking of subjects as primary and
secondary. Sadly, few of the other 6XX have this feature.
--
Mark K. Ehlert University of Minnesota Libraries
Library Assistant 2 160 Wilson Library
Technical Services 309 19th Ave. S.
Phone: 612-625-4840 Minneapolis, MN 55455
E-mail: ehler043_at_umn.edu
Received on Mon Aug 06 2007 - 09:36:38 EDT