Columbia subject headings:
Religion and law--Germany--History--19th century--Congresses.
Religion and law--Germany--History--20th century--Congresses.
Harvard subject headings:
Religion and law--Germany--History--19th century--Congresses.
Religion and law--Germany--History--20th century--Congresses.
Princeton subject headings:
Religion and law--Germany--History--19th century--Congresses.
Religion and law--Germany--History--20th century--Congresses.