# "Accompanying material" (300e)
$marc{accomp} = $record->field('300')->subfield('e')
- if (defined $record->field('300')->subfield('e'));
+ if $record->field('300');
# issn, lccn, title, desc, pages, pub, pubyear, edition
$marc{lccn} = $record->field('010')->subfield('a') if $record->field('010');