Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Pforzheim--20th century.
Architecture--Germany--Pforzheim--21st century.
Urban renewal--Germany--Pforzheim.
Princeton subject headings:
Architecture--Germany--Pforzheim--21st century.
Architecture--Germany--Pforzheim.--20th century.
Pforzheim (Germany)--Buildings, structures, etc.
Urban renewal--Germany--Pforzheim.