Columbia subject headings:
Harvard subject headings:
Braunschweig (Germany)--Church history--Congresses.
Braunschweigische Evangelisch-Lutherische Landeskirche--History--20th century--Congresses.
Princeton subject headings:
Braunschweig (Germany)--Church history--20th century.
Braunschweigische Evangelisch-Lutherische Landeskirche--History--20th century.