Columbia subject headings:
Church history--Modern period, 1500---Congresses.
Fanaticism--History--Congresses.
Radicalism--Religious aspects--Christianity--Congresses.
Harvard subject headings:
Church history--Modern period, 1500---Congresses.
Fanaticism--History--Congresses.
Radicalism--Religious aspects--Christianity--Congresses.
Princeton subject headings:
Church history--Modern period, 1500---Congresses.
Fanaticism--History--Congresses.
Radicalism--Religious aspects--Christianity--Congresses.