Cataloging
rules |
| • For all formats except continuing
resources: If a record created according to either AACR2 or RDA already exists
in WorldCat, do NOT create a duplicate record according to the other code.
Source:
OCLC policy statement
on RDA Cataloging in WorldCat for the U.S. testing period and
beyond |
Material (or type of
publication) specific details area |
• Music: Musical presentation statement
area. A difference in musical presentation statement reflecting a significant
difference in format is MAJOR.
For example:
• Miniature score
vs. Playing score vs. Parts
• The presence or absence of such a statement alone does not constitute a
MAJOR difference.
Consider in conjunction with other aspects,
particularly with specific material designation. |
Title and statement of
responsibility |
• Title:
-
• single part monograph:
a difference in title proper, parallel titles, and other title information
is MAJOR
• multipart
monograph:
-
• a difference in title proper, parallel titles,
and other title information for the same part of a multipart monograph is
MAJOR
• a difference in title proper, parallel titles, and other title information
between the parts of a multipart monograph is MINOR
• Statement of responsibility: A difference
indicating that the responsibility has changed is MAJOR. |
Edition |
MAJOR:
• difference in edition statement (generally)
• a numbered edition statement, with the exception of 1st edition
• statement indicating a difference in content (e.g., corrected, etc.) or
in version (e.g., preliminary)
• statement associating a different date with an edition
• see the
document
for more major differences |
MINOR:
• the presence or absence of "1st ed." or its equivalent in any language
|
|
Publication, distribution,
etc. |
• Place of publication,
distribution:
-
• a place of publication in a different country
is MAJOR
• a different place of publication within the same country is MINOR
• a change of place of publication between different parts of a
multipart monograph is MINOR
• the order of multiple countries' names is MINOR
• Name of publisher, distributor
distribution:
-
• a different publisher, distributor, etc.,
or a publisher, distributor, etc., that has changed names is MAJOR
• a change in publishers between different parts of a
multipart monograph is MINOR
• slight variation not intended to represent a change in the name of the
publisher to be MINOR
• Date of publication, distribution:
-
• a different date of publication, distribution,
etc., including a copyright or printing date used as a substitute for the
publication date, and including an inferred date, is MAJOR
• a different copyright date when given in addition to publication date may
be MAJOR or MINOR
See
Date
of publication, distribution for specific instructions for copyright
dates on printed music.
-
• a difference in reproduction publication dates
does not justify a new record (also applies to on-demand reproductions)
|
Physical description
area |
Extent of item:
• Minor variations due
to bracketed or estimated information are MINOR.
• Variation or presence vs. absence of preliminary paging is MINOR. |
|
Other physical details:
Music: any
significant difference.
For example:
• illustrations
vs. no illustrations |
Sound recordings:
any significant difference.
For example:
• analog vs.
digital
• mono. vs.
stereo.
• 33 1/3 rpm
vs. 78 rpm |
|
Dimensions:
| Music: any
significant difference (more than 2 cm.) |
Sound recordings:
any difference.
For example:
• 4 3/4 in. vs.
12 in. |
|
Accompanying material:
| • The presence vs. absence
of accompanying material or a difference in accompanying material if it affects
use of the main work is MAJOR. |
|
Series |
• The presence or absence of a
series may be a MAJOR difference
• series title:
-
• a difference in series title proper, parallel
titles or series is MAJOR
• a difference in series title proper, parallel titles or other series title
information between parts of a multipart monograph
is MINOR
• the presence vs absence of series title information is MINOR
• the presence vs absence statement of responsibility
relating is MINOR
• ISSN:
-
• presence vs. absence of the ISSN is MINOR
• a difference in ISSN may represent a MAJOR difference
Numbering:
-
• a difference in numbering within a series is
MAJOR
• a difference in numbering within between parts of a series in a
multipart monograph is MINOR
|
|
Notes
area
|
Publishers' numbers:
Any differences between resources in this area require a new record.
Music:
A significant difference in publisher or plate number is MAJOR. |
Sound
recordings:
A significant difference in a music publisher number (or matrix number when
it is the only identifying number) is MAJOR. |
|
|
Standard number and terms
of availability area
|
| • A different ISBN or other standard
identifier may indicate a MAJOR difference. |