[Classweb-users] Class Web RF451

Pietris, Mary Kay mpie at loc.gov
Thu May 3 12:44:51 EDT 2012

The deletion of RF451 from the subject authority record will appear with the next update to Class Web.

Mary K. D. Pietris
Library of Congress
Acquisitions and Bibliographic Access Directorate Policy and Standards Division

-----Original Message-----
From: classweb-users-bounces at classificationweb.net [mailto:classweb-users-bounces at classificationweb.net] On Behalf Of Marjory Bryce
Sent: Thursday, May 03, 2012 10:23 AM
To: classweb-users at classificationweb.net
Subject: [Classweb-users] Class Web RF451

Good morning:

Under LC subject search : structured heading : Nose-Surgery I can see call number correlations to RF51 and RF451.  

When I click on RF451 Restoration (which is appropriate for the book I have in hand),  there is no such number in the LC Class hierarchy.  

There appears to be a gap between RF437 and RF459.2-547.

I notice that RF451 has been used 10 times in Voyager,  but the most recent record that uses it is dated 1965.

Is RF451 still valid?

Thank you,
Marjory Bryce
Cataloging Bibliographer
YBP Library Services
603-746-3102 ext. 3265
603-746-5628 (fax)
mbryce at ybp.com

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