You have touched on a topic/problem that I hope we can 'do better' 
under RDA. I would like to see us move toward using those phrases 
that we construct as $c's with the author's name and setting these 
authority records up that way. THEN when we find out more about the 
author, we can change the 'distinct' AR instead of the 'non-unique 
AR if necessary. Several years ago I mentioned in a talk at ALA 
that I spend too much time looking for how these have changed and 
would prefer not to even have the non-unique AR. With a linked 
authority system those changes can be really bad with people 
writing books 100s of years before they were born. If instead of 
constructing non-unique's we created individual AR's with the 
phrases (that we already construct for the non-unique authority 
records) and then changed that AR when we have more info, linked 
authority system changes would automatically change the 'correct' 
authority record, only. Much/all of the time spent looking for the 
changed heading that is no longer on the non-unique (Is this the 
Tom Smith born in 1952, or 53, or is it Tom T. Smith or Tom Smith, 
Ph.D.) would be eliminated.

Music catalogers already get to add these phrases and we see this 
type of 'qualification' on various web tools. What are the 
disadvantages? Do they outweigh the benefits?

Mary Charles Lasater

--On Friday, November 03, 2006 2:21 PM -0800 "Paul J. Weiss" 
<[log in to unmask]> wrote:

> I note that the practice of bracketing data in one 670 per person
> in an undifferentiated name record is not actually given as
> policy anywhere. The MARC authority format give it as one
> possibility ("subfield $a may contain a descriptive term for an
> author enclosed within brackets "). DCM  Z1 touches on it in the
> introduction and at 670. The NACO Participants Manual describes
> the practice, but our NACO reviewer at LC continues to remind me
> that the PM does not set policy.
> Do any of you _not_ follow that practice? If not, what was your
> thinking behind your decision? Have any of you considered some
> other practice?
> Thanks,
> Paul
> UCSD NACO Coordinator
> _______________________________________
> Paul J. Weiss
> Catalog Librarian and NACO Coordinator
> Metadata Services Department
> UCSD Libraries
> 858-534-3537
> [log in to unmask] _______________________________________

Mary Charles Lasater
Vanderbilt University
Email: [log in to unmask]