Columbia subject headings:
Harvard subject headings:
German language--Early modern, 1500-1700--Congresses.
German language--Religious aspects--Christianity--Congresses.
German language--Usage--History--Congresses.
Princeton subject headings:
German language--Dialects--Congresses.
German language--Early modern, 1500-1700--Congresses.
German language--History--Congresses.
German language--Religious aspects--Congresses.