1. Modifying the LC/NACO file, phase 2 Gary L. Strawn Northwestern University Library mrsmith@northwestern.edu

2. What’s going on? Changes needed in LC/NACO Authority File for RDA 2 (later 3) phases Each record only issued once (…) Definitions adjusted as time passed Documentation: http://files.library.northwestern.edu/public/pccahitg

3. Phase 1 Identify records that cannot be used under RDA Only records that do not also require some change during phase 2 Changes made ~August 2012 ~400,000 records changed

4. Phase 1.5 Deal with the RDA 7XX fields Changes made January, 2013 Most RDA 7XX fields removed Many became 4XX Not yet removed if record requires a change during phase 2 ~15,000 records changed

5. Phase 2 Change texts of fields Re-code changed AACR2 records as RDA ~400,000 records to be changed Expected to begin March 4 30,000 records per day Sequential order per LC's copy of the file

6. Phase 2: examples of changes Spell out Dept. Manipulate dates in X00 $d Spell out or remove O.T. and N.T. Koran becomes Qur'an $t Selections becomes $t Works. $k Selections

7. Phase 2: examples of changes Replace violoncello with cello Spell out arr., acc. and unacc. Move $k Selections Parentheses around acceptable $c

8. When record otherwise changed 046 field 370, 373, 377, 378 fields 382-384 fields 510 for hierarchical superior

9. Change $d, add 046

12. Spell out 'Dept.'

14. Dept. in qualifier

15. 510 for Hierarchical superior

16. Qur'an; add 377

17. Violoncello; add 382-384

18. O.T./N.T., with revised 430s

19. O.T./N.T.; add 377

20. Fancy 377

21. Move $k 'Selections'

22. Parentheses around $c

23. A hidden benefit …

24. OK for LC/NACO. What else? Changes needed to local authority records Many changed 1XX coming in Phase 2 Changes needed to bibliographic records RDA headings flipped back to AACR2 Changes to headings in bib records not covered by authority records

25. Even more things for bib records Remove 245 $h Generate 336-338 Replace Latin abbreviations Spell out abbreviations Deal with “&” in subfield $l Etc., etc.

26. LCSH … $y Colonial period, ca. 1600-1775 $a Antioquia (Colombia : Dept.) $x History $a Alexander, $c the Great, $d 356-323 B.C. $y Art $a Bassoon and violoncello with orchestra $a Bible. $p O.T. $p Isaiah $v Illustrations

27. That’s all for now!