Search for "author:(Østergaard, Vilhelm, 1852-1928) title:(Olaf Poulsen : et jubilaeumsskrift i billeder og tekst /)" found nothing
Try limiting your search to just one of these... author:(Østergaard, or Vilhelm, or 1852-1928) or title:(Olaf or Poulsen or : or et or jubilaeumsskrift or i or billeder or og or tekst or /)
Try the "More search options" page.