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On Jan 18, 2013, at 1:11 PM, "Godsey-Bell, Connie F. (LNG-DAY)" <[log in to unmask]> wrote:

> Hi,
> What percent of the total do the total occurrences represent? 

And what number of unique records have a 700 with a $4 or an $e?

-Ross.
>  
> Thanks,
> Connie Godsey-Bell,
> Editor
> LexisNexis
>  
> From: Bibliographic Framework Transition Initiative Forum [mailto:[log in to unmask]] On Behalf Of Tennant,Roy
> Sent: Friday, January 18, 2013 12:42 PM
> To: [log in to unmask]
> Subject: Re: [BIBFRAME] Input screens
>  
> On 1/18/13 1/18/13  9:24 AM, "Ross Singer" <[log in to unmask]> wrote:
> 
> How often, on aggregate, is the 100 or 700 $4 or $e used?  Since I've parsed a lot of MARC records, I can tell you.  Not much (and the inconsistency of the $e makes this even less useful).
> 
> I can tell you exactly, as of December 1, 2012 in WorldCat:
> 
> Total number of records: 287,229,344
> Total occurrences of a 700 field: 80,731,356
> Total occurrences of 700 $4: 24,908,408
> Total occurrences of a 700 $e: 14,117,538
> 
> Roy