Columbia subject headings:
Harvard subject headings:
Europe--Church history--16th century--Congresses.
Europe--Church history--600-1500--Congresses.
Pietism--Czech Republic--History--Congresses.
Pietism--Germany--History--Congresses.
Pietism--Poland--History--Congresses.
Universities and colleges--Czech Republic--Religion--Congresses.
Universities and colleges--Germany--Religion--Congresses.
Universities and colleges--Poland--Religion--Congresses.
Princeton subject headings:
Church history--Middle Ages, 600-1500--Congresses.
Universities and colleges--Czech Republic--History--Congresses.
Universities and colleges--Germany--History--Congresses.
Universities and colleges--Poland--History--Congresses.