Catfile, CatfilePlus and Serfile

Bibliographic records for monographs and serials in MARC or XML format, produced by the NLM Technical Services Division and the Office of Computer and Communications Systems.

How to Lease - Database Content - Data Structure and Values - Data Maintenance and Availability - Forms - Copyright Information

How to Lease:

• Leasing Records for Books, Serials, Audiovisuals and Other Resources (Catfile, CatfilePlus and Serfile)
• License Agreement and Intended Use Worksheet

Database Content:

• NLM Bibliographic Products Available in MARC 21 Format
  A description of the available files in MARC format and instructions on how to lease them.
• Overview of CatfilePlus and Serfile in XML
  A description of the XML version of these files.
• LocatorPlus Fact Sheet
  NLM's online catalog (NLM's searchable interface to these bibliographic files).

Data Structure and Values:

• Sample NLM® Data
• Overview of CatfilePlus and Serfile in XML
  The XML element descriptions, and accompanying documentation.
• DTD Structure and XML Format:
  • NLM® uses XML for MEDLINE® Data
    An explanation of NLM's decision to use XML format, and a description of its use for MEDLINE data.
  • DTDs
    Links to all NLM DTDs for licensed databases.
  • Alphabetical List of the Elements in NLMCatalogRecord (08/02/04)
  • Alphabetical List of Attributes Used in the NLMCatalogRecord (08/02/04)
• NLMCatalogRecord Character Set (08/02/04)
• MARC Code List for Languages (Library of Congress)
• MARC Code List for Countries (Library of Congress)

Data Maintenance and Availability

• Announcements
  The latest news for licensees.
• Update Charts for CatfilePlus and Serfile
  A chart of the files available via ftp.

Forms

• License Agreement and Intended Use Worksheet
  

Copyright Information:

• Copyright Information & Downloading [Note that NLM's Catfile, CatfilePlus and Serfile records are in the public domain, and may be downloaded and distributed freely.]
• NLM Trademarks

Last updated: 21 March 2008
First published: 22 August 2007
Metadata| Permanence level: Permanence Not Guaranteed