Columbia subject headings:
Harvard subject headings:
Magic--Europe--History--Congresses.
Trials (Witchcraft)--Europe--History--Congresses.
Witchcraft--Europe--History--Congresses.
Witches--Europe--History--Congresses.
Princeton subject headings:
Magic--Europe--History--Congresses.
Trials (Witchcraft)--Europe--History--Congresses.
Witchcraft--Europe--History--Congresses.
Witches--Europe--History--Congresses.