+ if ( defined $item->{'copynumber'} ) {
+ $item->{'displaycopy'} = 1;
+ if ( defined $copynumbers->{ $item->{'copynumber'} } ) {
+ $item->{'copyvol'} = $copynumbers->{ $item->{'copynumber'} }
+ }
+ else {
+ $item->{'copyvol'} = $item->{'copynumber'};
+ }
+ }