Columbia subject headings:
Architect-designed houses--Germany.
Architects--Germany.
Architecture--Germany--History--20th century.
Ungers, O. M. (Oswald Mathias)--Exhibitions.
Ungers, O. M. (Oswald Mathias)--Homes and haunts.
Harvard subject headings:
Architect-designed houses--Germany--Exhibitions.
Architect-designed houses--Germany.
Architects--Germany
Architecture--Germany--History--20th century
Architecture--Germany--History--20th century--Exhibitions
Ungers, O. M. (Oswald Mathias)--Exhibitions.
Ungers, O. M. (Oswald Mathias)--Homes and haunts--Exhibitions.
Ungers, O. M. (Oswald Mathias)--Homes and haunts.
Princeton subject headings:
Architecture--Germany--20th century--Exhibitions.
Architecture--Germany--21st century--Exhibitions.
Ungers, O. M. (Oswald Mathias)--Criticism and interpretation.
Ungers, O. M. (Oswald Mathias)--Exhibitions.