Columbia subject headings:
Architecture--Germany--Darmstadt--History--21st century.
Bauverein AG Darmstadt.
Harvard subject headings:
Apartment houses--Germany--Darmstadt--Designs and plans.
Architecture--Germany--Darmstadt--21st century.
Bauverein AG Darmstadt.
Cluster housing--Germany--Darmstadt.
Princeton subject headings:
Architecture--Germany--Darmstadt--History--21st century.
Bauverein AG Darmstadt.