Columbia subject headings:
Architecture--Competitions--Europe.
Architecture--Competitions--Germany.
Architecture--Europe--History--20th century.
Architecture--Europe--History--21st century.
Phase Eins (Firm : Berlin, Germany)
Harvard subject headings:
Architecture, Modern--21st century
Architecture--Competitions--Europe.
Architecture--Competitions--Europe.--History.--21st century.
Architecture--Competitions--Germany
Architecture--Europe--21st century.
Architecture--Europe--History--20th century
Phase Eins (Firm : Berlin, Germany)
Princeton subject headings:
Architecture--Competitions--Europe.
Architecture--Competitions--Germany.
Architecture--Europe--21st century.
Architecture--Europe--History--20th century.
Phase Eins (Firm : Berlin, Germany)