Columbia subject headings:
Cities and towns--Africa--Congresses.
Cities and towns--Europe, German-speaking--Congresses.
Local government--Africa--Congresses.
Local government--Europe, German-speaking--Congresses.
Municipal government--Africa--Congresses.
Municipal government--Europe, German-speaking--Congresses.
Harvard subject headings:
Decentralization in government--Africa--Congresses.
Decentralization in government--Europe, German-speaking--Congresses.
Local government--Africa--Congresses.
Local government--Europe, German-speaking--Congresses.
Princeton subject headings: