Columbia subject headings:
Architecture--Germany--Mannheim.
Art, German--Germany--Mannheim.
Art--Germany--Mannheim.
Buildings--Germany--Mannheim.
Mannheim (Germany)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Germany--Mannheim.
Art, German--Germany--Mannheim.
Art--Germany--Mannheim.
Mannheim (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Germany (West)--Mannheim.
Art, German--Germany (West)--Mannheim.
Art--Germany (West)--Mannheim.
Mannheim (Germany)--Buildings.