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ITS.MARC Z39.50 Configuration Settings

The following attributes are supported on ITS.MARC, TLC's Z39.50 database of MARC cataloging records. If your client software submits "default" as an attribute, it will be interpreted as indicated below. ITS.MARC uses the BIB-1 attribute set. 

    Z39.50 vs. WWW

     NOTE: If you are searching for authority records, see the separate Z39.50 settings for TLC Authorities.

If you have a subscription or trial access to ITS.MARC, you are entitled to download records from one or more of the databases listed. Please enter your user ID, password, database name, Internet address and port, and search attributes as specified in your Z39.50 client software documentation.


Port: 5666

Databases: Database names contain no spaces.

Database  Database Name
* LC MARC English LCCurrentZ
* Last 5 days LC MARC English Last5Z
* LC MARC English backfile LCBackfileZ
* LC MARC Foreign LCForeignZ
  A/V Access AVAccessZ
* CanMARC CanMarcZ
* NewPubMARC NewPubZ
  British Current BritishZ
* British Backfile BritBackZ
* MedMARC MedMarcZ
* DocuFile DocuFileZ
  SchoolMARC Sears SearsZ
  QualityMARC QualityMARCZ
* Contributed Schools and Publics ConspZ
* Contributed Research and Academics ConraZ
* Spanish MARC SpanishZ
* French MARC FrenchZ
* TheoMARC TheoMarcZ
  NICEM NicemZ
  Filipiniana FilipinianaZ
  EF Sears EFSearsZ

* = Core databases, access included in base price of ITS.MARC service.

ITS.MARC Suggested Attribute Settings

For all search types, TLC suggests the following settings:

Attribute No.

Suggested Setting Name
Use (See below)
Structure 2

Relation 3 Equal
Position 3 Any position in field
Truncation 100 Do Not Truncate, except where noted below
Completeness 1 Incomplete subfield

For the USE attribute, use the following settings:

Search type No. Name
Author 1003 Personal name
Title 4 Title
Subject 21 Subject heading
Control No. Not supported
Author/Title   Not supported. Search by Author
Title/Author   Not supported. Search by Title
Series Not supported. Search by Title
Music 51 Music Publisher No. Set truncation to RIGHT (1)
LCCN 9 LC Card No. Set truncation to RIGHT (1)
ISBN 7 ISBN. Set truncation to RIGHT (1)
ISSN 8 ISSN. Set truncation to RIGHT (1)
GPO 50 GPO No. Set truncation to RIGHT (1)
Dewey Call Not supported
LCCall Not supported

ITSMARC. also supports the following alternate attribute settings:

Attribute No. Alternate Setting
Structure 1 Phrase, for non-numeric searches
Truncation 1 Right, if Structure not set to Phrase

Advanced users: See additional search options available on TLC's BiblioFile ITS.MARC server.

Library Support

If you have any questions about using ITS.MARC via Z39.50, please call TLC Support at 800-852-4911 or 304-229-0100. You may also e-mail your questions to or enter a support ticket at

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