@label_lines = _split_lccn($field_data);
@label_lines = _split_ccn($field_data) if !@label_lines; # If it was not a true lccn, try it as a custom call number
push (@label_lines, $field_data) if !@label_lines; # If it was not that, send it on unsplit
@label_lines = _split_lccn($field_data);
@label_lines = _split_ccn($field_data) if !@label_lines; # If it was not a true lccn, try it as a custom call number
push (@label_lines, $field_data) if !@label_lines; # If it was not that, send it on unsplit