Catalogers Group

Tools and Resources



OCLC Bibliographic Formats and Standards

RDA TOOLKIT  (subscription)

WebDewey  (subscription)

LC Subject Headings in Spanish

Library of Congress Subject Headings & Genre/Form Terms
Includes current PDF files for:
Library of Congress Subject Headings
--Main Volumes
--Free-floating Subdivisions
--Children's Subject Headings
--Genre/Form Terms

ISBN Converter (Library of Congress)
Converts 10-digit to 13-digit and vice versa

GSAFD (OCLC Search/Browse online)

GSAFD text file online (2001)

"An experimental classification web service"
Search on standard number (ISBN, OCLC#, UPC, or ISSN), Title/Author, or Subject Heading.
A resulting entry includes most frequently used Dewey Decimal Classification number, any associated FAST subject heading(s), most frequently used Library of Congress Classification number,  list of links to various editions available, Virtual International Authority File (VIAF) authority links.

VIAF: The Virtual International Authority FIle
Combines multiple name authority files, including Library of Congress/NACO, into a single OCLC-hosted name authority service. The goal of the service is to lower costs and increase the utility of library authority files by matching and linking widely-used authority files and making that information available on the Web.

Roman Numerals Date Converter

Nova Roma--Handy Roman numeral converter
Also provides a basic explanation of each Roman numeral.

Time Calculator
Presents time given in hour, minute, second, millisecond format as well as decimal format.
Converts time: hours to minutes, minutes to hours, seconds to minutes, minutes to seconds, hours to seconds. Translates time given in decimal format (hh.dec, mm.dec) to regular time format (hh:mm:ss) and vice versa.

Percentage Calculator

ODLIS (Online Dictionary for Library and Information Science)

Library of Congress Online Catalog


FRBR Library Reference Model
World-wide review of the FRBR-Library Reference Model, a consolidation of the FRBR, FRAD and FRSAD conceptual models
August 2017 as amended and corrected through December 2017 (PDF - English - 2MB)
Revised after world-wide review
Endorsed by the IFLA Professional Committee



LC Linked Data Service
The Linked Data Service provides access to commonly found standards and vocabularies promulgated by the Library of Congress. This includes data values and the controlled vocabularies that house them.


Free and safe source. If using at work, then you may need your I.T. department to download and install it on your computer.

  • MARC Editing:  MarcEdit includes a MARC Breaker and Maker to move MARC data into a more friendly mnemonic file format.  It includes a dedicated MARC Editor, that provides a number of global editing functions, the ability to edit MODS and MARCXML data (in a mnemonic format) and integrate data from other data sources like OCLC, etc. into a batch set of MARC data.
  • MarcEditor:  The MarcEditor is MarcEdit’s built in metadata editor.  It includes a number of global editing functions, full regular expression and UTF-8 support, as well as the ability to configure the editor to utilize any characterset supported by the operating system.  Included functions:  Globally Add/Delete Fields, Edit Subfields, Swap Field Data, Copy Field Data, Edit Indicators, Generate Call Numbers, Validate Records, Generate Reports, Find/Replace, Direct Integration with Supported ILS systems, Macro support, Task Support, etc.
  • RDA Helper:  The RDA Helper is both a stand alone and integrated tool that allows users to take a set of MARC data and automatically generate RDA specific data.  The RDA data is derived from the source recordset using available control data, variable field data, and RDA specific assumptions.
  • Delimited Text Translator:  The Delimited Text Translator is a tool that allows users to translate data in Excel, Access, or any delimited format into MARC.
  • Export as Tab Delimited:  A tool that allows users to export their MARC data as delimited text.
  • Harvest OAI Data:  MarcEdit has the ability to harvest metadata from an OAI data provider and convert the data directly to MARC.  Supported formats are MARCXML, oaimarc, oai_dc, and MODS.  However, the program allows the user to provide their own translation rules, so any format could be accommodated.
  • XML Translations:  MarcEdit supports the facilitation of metadata from XML and non-XML formats into various forms, including MARC.
  • Characterset conversion:  MarcEdit supports the ability to convert MARC records from one characterset to another.  This includes the traditional charactersets like MARC-8 (ANSEL) and UTF-8.  But it also includes support for any characterset currently supported by the operating system.  So users with MARC data in Traditional Chinese can utilize MarcEdit to convert that data to UTF-8.
  • Z39.50/SRU Client:  MarcEdit includes a built in Z39.50 and SRU client for interaction with other library systems.
  • MARC SQL Explorer:  MarcEdit includes an SQL Explorer — a tool that allows users to export their data into either an SQLite or MySQL data and run SQL queries directly on the data to mine for information.
  • MARCValidator:  MarcEdit includes a number of tools to help users validate data and identify incorrectly structured MARC record data.
  • Many more features:  Like the ability to split, join, sort, etc. data in various formats


Webinars (YouTube site)



Meeting Minutes and Agendas

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Meeting Minutes Archive

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