[Classweb-users] Class Web RF451

Marjory Bryce MBryce at ybp.com
Thu May 3 10:22:49 EDT 2012

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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