code: def find_numeration_more(line):
      
      # First, attempt to use marked-up titles
      patterns = (
          re_correct_numeration_2nd_try_ptn1,
          re_correct_numeration_2nd_try_ptn2,
          re_correct_numeration_2nd_try_ptn3,
          re_correct_numeration_2nd_try_ptn4,
      )
      for pattern in patterns:
          match = pattern.search(line)
          if match:
              info = match.groupdict()
              series = extract_series_from_volume(info['vol'])
              if not info['vol_num']:
                  info['vol_num'] = info['vol_num_alt']
              if not info['vol_num']:
                  info['vol_num'] = info['vol_num_alt2']
              return {'year': info.get('year', None),
                      'series': series,
                      'volume': info['vol_num'],
                      'page': info['page'] or info['jinst_page'],
                      'page_end': info['page_end'],
                      'len': len(info['aftertitle'])}
  
      return None
docs: Look for other numeration in line.