Man pages matching name catmandu::marc in section 3pm:

Catmandu::MARC.3pm.en	debian 10 / libcatmandu-marc-perl
Catmandu::MARC.3pm.en	debian 11 / libcatmandu-marc-perl
Catmandu::MARC.3pm.en	debian 12 / libcatmandu-marc-perl