From a large sample of data that we get from publishers:
* Only 24.5% with one ISBN!
* 40% with multiple ISBNs!
* Largest group has no ISBN!
ISBN Count Percentage of records with X ISBNs
0 38.57%
1 24.49%
2 17.00%
3 5.88%
4 10.77%
5 2.14%
6 0.65%
7 0.09%
8 0.12%
9 0.24%
10 0.04%
Thanks,
Shlomo
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-----Original Message-----
From: Bibliographic Framework Transition Initiative Forum [mailto:[log in to unmask]] On Behalf Of J. McRee Elrod
Sent: Sunday, May 19, 2013 20:34
To: [log in to unmask]
Subject: Re: [BIBFRAME] Instance of ISBNs in MARC records
In SLC's database of over 300,000 records, over 169,000 have no ISBN, over 114,000 have one, over 19,000 have two, and the number of ISBNs ranges up to 36 in one record.
For us, Instances can't be based on ISBNs.
Total Records: 315389
020s Records
00 169021
01 114221
02 19745
03 7403
04 3238
05 1149
06 344
07 118
08 29
09 42
10 11
11 16
12 10
13 12
14 4
15 5
16 3
17 7
18 1
19 1
21 1
22 1
23 1
25 3
27 1
28 1
36 1
__ __ J. McRee (Mac) Elrod ([log in to unmask]<mailto:[log in to unmask]>)
{__ | / Special Libraries Cataloguing HTTP://www.slc.bc.ca/
___} |__ \__________________________________________________________
