Columbia subject headings:
Apartment houses--Europe--Design and construction.
Architecture, Domestic--Europe.
City and town life.
Office buildings--Remodeling for other use--Europe.
Harvard subject headings:
Architectural firms--Germany.
Architecture--Germany--21st century.
Public architecture--Germany--Case studies.
Princeton subject headings:
Apartment houses--Europe--Design and construction.
Architecture, Domestic--Europe.
City and town life.
Office buildings--Remodeling for other use--Europe.