Bug 32488 adds indexes for the RDA fields 336-338 MARC21. We should also add the equivalent indexes for UNIMARC: (In reply to Mathieu Saby from comment #0) > I don't think there are indexes for those MARC21 fields > 336 - Content Type (R) > 337 - Media Type (R) > 338 - Carrier Type (R) > > nor for their UNIMARC equivalent > 181 - Content form > 182 - Media type > 183 - type of carrier > > It could be nice to add those indexes and to add the ability to use them in > advanced search