Recording Identifiers for the Manifestation
RDA 2.15
RDA Core
Source: Any source.
MARC 020 - 024 - 028
A single resource may carry several different identifiers. When more than one identifier is present on the resource, only one is core (preferably an internationally recognized identifier).
Best Practice Recommendation: Record identifiers (especially ISBN and publisher numbers), with qualifying information (when applicable) when present.
ISBN
RDA 2.15.1.4
The ISBN is a 10- or 13-digit number recorded in the MARC 020 field, ‡a, with both indicators blank. Do not include hyphens or the “ISBN” preceding the number. Qualifying information is recorded in ‡q ((e.g. (set) or (disc#).
| 020 | ‡a 9780769750927 ‡q (disc 4) |
Other Standard Identifier
Universal Product Code (UPC) (MARC 024 1_). These numbers are generally found beneath a barcode on the container. The UPC is a 12-digit number (including the smaller ones before and after the main sequence), recorded in MARC field 024 with first indicator 1. There may be additional numbers to the right of the barcode; these should be recorded in ‡d.
International Article Number (EAN) (MARC 024 3_). The EAN is a 13-digit number recorded in MARC field 024 with first indicator 3. The EAN can be differentiated from the ISBN-13 by its initial digits--the ISBN-13 begins with digits 978, or 9791 through 9799.
Source Specified in Subfield 2 (MARC 024 7_). Standard numbers from other schemes are recorded in MARC field 024 with first indicator 7 (e.g. DOI (Digital Object Identfier)). The source of the number is given in ‡2. A list of standard identifier source codes can be found in Source Codes for Vocabularies, Rules, and Schemes, “Standard Identifier Source Codes.”
Publisher Number (MARC 028 40). The Publisher Number is recorded in MARC field 028, ‡a. The first indicator is coded 4 for video recordings. The second indicator is 0 (No note, no access point). Record the number as it is presented on the resource, including spaces, hyphens, capitalization, etc. The name of the publisher is given in ‡b. Qualifying information is recorded in ‡q.