This list contains <i>Resource Description and Acces</i>s (RDA) terms and corresponding one-character lower case alphabetic codes for RDA Media types. These types can be recordedin MARC Bibliographic and Holdings records in textual form and/or in the one-character coded form in <strong>MARC field</strong><strong>337 (Media Type)</strong>. They may also be recorded, sometimes in a more granular and sometimes in a more general form, with one-character codes in <strong>MARC 007/00 (Category of material)</strong>, in most cases. In the following, the one-character codes and terms for field 337, subfields $b and $a, respectively, are listed along with the corresponding 007 codes.</p><p>The source code for this list in field 337 $2 (Source) is <strong>rdamedia</strong>.