MARC 21 Format for Bibliographic Data Updated - new fields to accommodate RDA

The MARC 21 Bibliographic Format has been updated through Update No. 10 (October 2009). The update includes several changes to accommodate RDA. For instance, 336 (Content Type), 337 (Media Type) and 338 (Carrier Type). 

Changes to the MARC 21 Format for Bibliographic Data that resulted from Update No. 10 (October 2009) are displayed in red print.

(http://www.loc.gov/marc/bibliographic/ecbdhome.html)