             data.volumeInfo.publishedDate,
             '',
             data.volumeInfo.pageCount || '',
-            null,
+            '',
             score
           ]).draw(false)
           $('#table').DataTable().columns.adjust().draw()

            data.metadata.year || '',
            data.metadata.volume || '',
            data.metadata.imagecount || '',
            oclc_href(data.metadata['oclc-id']),
            score
          ]).draw(false)
          $('#table').DataTable().columns.adjust().draw()

            _.values(data.records)[0].titles[0],
            _.values(data.records)[0].publishDates[0],
            ht_object.enumcron || '',
            '',
            oclc_href(_.values(data.records)[0].oclcs[0]) || '',
            score
          ]).draw(false)
          $('#table').DataTable().columns.adjust().draw()
