Man pages matching name marc::crosswalk::dublincore in section 3pm:

MARC::Crosswalk::DublinCore.3pm.en	debian 10 / libmarc-crosswalk-dublincore-perl
MARC::Crosswalk::DublinCore.3pm.en	debian 11 / libmarc-crosswalk-dublincore-perl
MARC::Crosswalk::DublinCore.3pm.en	debian 12 / libmarc-crosswalk-dublincore-perl