Columbia subject headings:
Apparitions.
Bekker, Balthasar, 1634-1698. Betoverde weereld.
Ghosts.
Occultism.
Harvard subject headings:
Apparitions
Bekker, Balthasar, 1634-1698. Betoverde weereld.
Ghosts
Occultism
Princeton subject headings:
Apparitions.
Bekker, Balthasar, 1634-1698. Betoverde weereld.
Ghosts.
Occultism.