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Retrospective Conversions

Recon Cataloging with Matching Copy

FIELD BY FIELD INSTRUCTIONS
FIELD(S) INSTRUCTIONS
Fixed fields Accept all fixed fields on matching copy.

Add or change only if making a change to a variable field in the record which has a corresponding fixed field.

Add microform fixed fields if necessary.

00X Accept all as they stand.

Add ád to 040 if making any change to the record other than the correction of an obvious typo.

245
250
260
300
Accept all as they appear on copy, provided that the information is substantially the same.
Authority controlled fields:
1XX
240
6XX
7XX
Generally accept all fields as they appear on the copy, unless you already know that the AACR2 form is different.

If working with LC non-AACR2 matching copy and also in possession of LC AACR2 variant edition copy, prefer form of corresponding fields on variant edition copy.

If working with non-LC matching copy and also in possession of LC variant edition copy (whether AACR2 or not), prefer form of corresponding fields on variant edition copy.

Refer to:Recon Name Verification

Series fields:
4XX
8XX
Change all 4XX fields to 490 0(blank) and delete all 8XX.

In the case of an analytic, trace the form given in parentheses as a 440.

Eliminate "Half title" phrase which sometimes precedes series statement.

Eliminate "His", "Her", "Its", "Their" phrase also.

5XX Use card as chief source of information.

Generally accept without alteration any 5XX field on the copy which corresponds in substance to a note on the card.

EXCEPTIONS:
Do not transcribe Contents Notes (505) for single volume works. Eliminate such notes if they appear on the copy.

Use 590 fields for card note information which is Princeton specific, e.g.,
-- Princeton copy imperfect
--Gift of the author
--Photocopy

6XX Eliminate the following subdivisions:
--Addressess, essays, lectures.
--Collections.
7XX Eliminate all personal name relators (|e subfield)
Uniform titles fields:
130
240
630
730
740
XXX át
Eliminate initial articles. Adjust filing indicators if necessary.

Refer to: Initial Articles

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