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OCLC Support

Comparison title list

When you export a comparison title list, the system generates a spreadsheet containing the title-level collection data from the most recent version of the comparison you have built. It lists all of the titles that are in your library and the comparison institutions. You can download this spreadsheet and keep it for your records.

Export a comparison title list

  1. Find your comparison in the My active comparisons table.
  2. In the Export column, click Comparison Title List.
  3. Enter a name and description for the exported file.
  4. Click OK.

When the export file is available, you will receive an alert in the WorldShare toolbar.

Comparison data

Comparisons contain the data below. The order of the MARC fields is the processing order the system uses to generate the comparison. WMS customers: Please see note below about circulation data.

Comparison data - Table
Data Description


006/5 audn, bks, vis, sco, rec, com, cnr, mix, map

100 a-d, j, q, u

110 a-e n u
111 a c d e n q u
Dewey call number

082 (Dewey)

092 (Dewey locally assigned)
Edition 250 a
Format 006 (Leader bytes 6 & 7 help further characterize electronic resources)

380 a

600 v
610 v
611 v
630 v
648 v
650 v
651 v
653 a (if indicator 2 = 6)
654 v
655 a b v
Holdings count

The number of times the item is registered in WorldCat with your library’s institution symbol.

ISBN 020 a
ISSN 022 a
Language 008/35-37
Library of Congress Control Number (LCCN) 010 a
Library of Congress call number

050 (Library of Congress)

055 (Classification numbers assigned in Canada)
090 (Library of Congress locally assigned)
Local call number 852 (Location) ‡h ‡i
Location 852 (Location) ‡b ‡c
NLM call number

060 (NLM)

096 (NLM locally assigned)
OCLC number 001
Physical Description 300 a
Publication date


046 (Special coded dates) ‡c or ‡e (B.C. dates)
260 (Publication) ‡c (if neither 008/07 or 046 ‡c or ‡e is present)
Publisher 260 b
Series Statement 800 a-e g k m-t v x
810 a-e g k m-p r-t v x
811 a c-e g k n p s t v x
830 a d f g k m-p r-t v x
Subject (based on classification number in the OCLC Conspectus)

050 (Library of Congress)

090 (Library of Congress locally assigned)
055 2nd indicator 0 or 1 (Classification numbers assigned in Canada)
060 (NLM) 1st indicator 1 (not in NLM)
082 (Dewey)
092 (Dewey locally assigned)
060 (NLM) 1st indicator 0 (in NLM)
096 (NLM locally assigned)
Title 245 (Title statement) ‡a; other fields may also be used to determine a title, such as 242, 243, 247, etc.
URI 856 u

Note about circulation data for WMS customers

In Unique/shared title list exports, Local Call Number and Location are specific to each item associated with a title while Number of Circulations and Last Circulated Date are specific to a title (OCLC Number). Be aware that:

  • Number of Circulations reflects the circulation activity of all items associated with a title.
  • Last Circulated Date reflects the circulation activity of all items associated with the title.


If you have three distinct copies of the same title (Copies A, B, and C) and Copy A circulated one time, Copy B circulated 5 times, and Copy C circulated three times, then the value of Number of Circulations will be 9 for all three item entries in the export.

Collection Evaluation title items example

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