Q. How do I know if the Dewey number in the bibliographic record is current?
All bibliographic records should include the edition of the Dewey Decimal Classification that was used to classify the resource. The edition is noted is in the MARC 082 field in subfield 2. Edition 23 is the current edition.
082 00 ‡a 940.3/2252 ‡2 23 (the number is from edition 23)
082 00 ‡a 336.2001/9 ‡2 22 (the number is from edition 22)