Columbia subject headings:
Sociology, Urban--Congresses.
Sociology, Urban--Greece--History--Congresses.
Urbanization--Greece--History--Congresses.
Harvard subject headings:
Cities and towns--Growth--History--Congresses.
Sociology, Urban--Congresses.
Sociology, Urban--Greece--History--Congresses.
Princeton subject headings:
Cities and towns--Growth--Greece--History--Congresses.
Sociology, Urban--Congresses.
Sociology, Urban--Greece--History--Congresses.