Columbia subject headings:
Architecture--Germany--Berlin--Congresses.
Architecture--Russia (Federation)--Moscow--Congresses.
Cities and towns--Growth.
City planning--Germany--Berlin--Congresses.
City planning--Russia (Federation)--Moscow--Congresses.
Harvard subject headings:
Berlin (Germany)--Buildings, structures, etc.--Congresses.
City planning--Germany--Berlin--Congresses.
City planning--Russia (Federation)--Moscow--Congresses.
Moscow (Russia)--Buildings, structures, etc.--Congresses.
Princeton subject headings: