Ed writes: "MARC::Charset 0.4 now supports MARC-8 character translations to Unicode (UTF-8) for the East Asian character sets. More information is available at MARC/Perl [1]. Now that there is good support for MARC-8 character conversions to Unicode it is possible to update MARC::XML [2] to do a good solid job of converting to LC's MARC schema [3]."
Links:
[1] http://marcpm.sf.net
[2] http://search.cpan.org/author/BBIRTH/MARC-XML-0.4/XML.pm
[3] http://www.loc.gov/standards/marcxml/