# Presentation: 911056

##      Library of CongressCataloging Distribution Service (CDS)

*Agency Update Session*
*Depository Library Conference*
*October 23, 2002*

## What CDS Does

- CDS develops and markets Library of Congress cataloging tools that ensure access to collections and resources.
- CDS operates under statutory authorization (2 USC 150)

- CDS Statutory Authority:  2 USC 150 - 1902
- “The Librarian of Congress is authorized to furnish to such institutions or individuals as may desire to buy them, such copies of the *card indexes and other publications* of the Library as may not be required for its ordinary transactions, and *charge for the same a price which will cover their costs and ten percentum added*, and all moneys received by him shall be deposited in the Treasury and shall be credited to the appropriation for necessary expenses for the *preparation and distribution* of catalog cards and other publications of the Library.”

## “The Card Division” in the early 1900s

- “The Card Division” in the early 1900s

## CDS Products

- LC Bibliographic & Authority Record Databases
- LC Subject Headings
- LC Classification Schedules
- Cataloging Tools on CD-ROM & Web
- MARC 21 Documentation
- Cataloging Training Manuals

## LC Bibliographic & Authority Record Databases

- Cataloging and Authority Records: *over 13 million!*
- Available from CDS as fee-based, MARC distribution services (bulk data files)
- Available for searching and individual MARC record downloading through LC online public access catalog at: http://**catalog.loc.gov** and http://**authorities.loc.gov**

## LC Subject Headings 

- LC Subject Headings
- (depository)

- LC Classification
- Schedules
- (depository)

## Cataloging Tools on CD-ROMCataloger’s Desktop

- Over 30 titles:
-       - AACR2 with 2002 Revision
- - LC Rule Interpretations
- - Subject Cataloging Manuals
- - MARC 21 documentation
- - CONSER documentation
- - Other publications
- Non-depository because of licensed software and content.

## Cataloging Tools on CD-ROM	   Classification Plus

- Library of Congress Classification Schedules and Library of Congress Subject Headings.
- To be discontinued after Issue 4, 2002. Replaced by Classification Web.

## Web-Based Cataloging Tools 	   Classification Web

- January-August 2001: Pilot Test
- June 2002: Production Service
- Fee-based subscription access
- Integrated access to LC Classification & LC Subject Headings data
- Non-depository because of licensed software

## Slide 10

## MARC 21 Documentation

- International standard formats for MARC (machine-readable cataloging)
- MARC 21 is the harmonization of USMARC and CAN/MARC formats
- MARC 21 publications available in paper format (depository) and on *Cataloger’s Desktop*

## Slide 12

## MARC 21 Documentation

- MARC 21 Format for *Bibliographic Data*
- MARC 21 Format for *Authority Data*
- MARC 21 Format for *Classification Data*
- MARC 21 Format for *Holdings Data*

- MARC 21 Format for *Community Information*
- MARC 21 *Concise* Formats
- MARC Code Lists:
- Languages...Countries...Geographic Areas...Organizations...Relators, Sources, Description Conventions...
*Plus* MARC 21 Specifications for Record Structure, Character Sets, and Exchange Media

## Cataloging Training Manuals

*Cataloging Concepts: Descriptive Cataloging *(paper format; depository)
*MARC Content Designation *(paper format; depository)

- SCCTP (Serials Cooperative Cataloging Training Program) manuals are fee-based PDF format.  Non-depository because cooperatively produced and funded.

## Visit theCataloging Distribution Service (CDS)

- www.loc.gov/cds
- Our online product catalog
- features regularly updated news.

## Also visit the Library of Congress homepage at: www.loc.gov

- Click on **Librarians and Archivists** for additional publications and services of interest to the library community.