Columbia subject headings:
Hagenmarkt-Theater (Braunschweig, Germany)
Theater--Germany--Braunschweig--History.
Theaters--Germany--Braunschweig--History.
Harvard subject headings:
Braunschweig (Germany)--Buildings, structures, etc.
Hagenmarkt-Theater--History.
Theater--Germany--Braunschweig--History.
Princeton subject headings: