Columbia subject headings:
City planning--Turkey--Istanbul--Congresses.
Istanbul (Turkey)--Economic conditions--Congresses.
Istanbul (Turkey)--Social conditions--Congresses.
Rural-urban migration--Turkey--Istanbul--Congresses.
Harvard subject headings:
City planning--Turkey--Istanbul--Congresses.
Istanbul (Turkey)--Economic conditions--Congresses.
Istanbul (Turkey)--Social conditions--Congresses.
Rural-urban migration--Turkey--Istanbul--Congresses.
Princeton subject headings:
City planning--Turkey--Istanbul--Congresses.
Istanbul (Turkey)--Economic conditions--Congresses.
Istanbul (Turkey)--Social conditions--Congresses.
Rural-urban migration--Turkey--Istanbul--Congresses.