1. Library of Congress Authorities on the Web: Accessing Authority Records via the LC Online Catalog ALA Annual Conference 2002 Ann Della Porta Integrated Systems Office, Library of Congress

2. LC Authority Data on the Web l What’s in the LC Database l How to search for authority records l Navigating displays in the Web l View, save, & email features l Future capabilities l Questions?

3. LC Authority Data on the Web l LC’s Database: l 12 million bib records l 5 million LC authority records »national authority file (NAF) + »LCSH

4. LC Subject Authority Records l 260,000 subject authority records l LCSH & Annotated Card Program records l 2,300 subject subdivision records not available July 1, 2002

5. LC Name Authority Records l Ca. 5.5 million name authority records »personal names »corporate bodies, incl. meetings »geographic places, i.e., jurisdictions »uniform titles, incl. series

6. NACO Contribution/Distribution LC DB OCLC RLIN BL Distribution to OCLC, RLG, BL

7. LC Authority Data on the Web l Address for Web Authorities: l authorities.loc.gov

8. LC Authority Data on the Web l Pilot project to begin July 1, 2002 l Comments welcome at »Ils@loc.govIls@loc.gov l Limited access during peak hours

9. authorities.loc.gov

14. LC Authority Data on the Web l Authority icons »Authorized Heading »References »Notes »Auth/Ref »Auth/Note »Authorized/Refs & Notes

19. LC Authority Data on the Web l Authority icons »Authorized Heading »References »Notes »Auth/Ref »Auth/Note »Authorized/Refs & Notes

48. LC Authority Data on the Web l Next steps »Z39.50 »MARC 21 character set »subject subdivision records

49. LC Authority Data on the Web l Questions? l authorities.loc.gov l Comments to: ils@loc.gov l Presentation available at: »www.loc.gov/ilswww.loc.gov/ils