Columbia subject headings:
City walls--Turkey--Diyarbakır--Congresses.
Diyarbakır (Turkey)--Description and travel--Encyclopedias.
Diyarbakır (Turkey)--History--Congresses.
Harvard subject headings:
City walls--Turkey--Diyarbakır--Congresses.
Diyarbakır (Turkey)--Description and travel--Encyclopedias.
Diyarbakır (Turkey)--History--Congresses.
Princeton subject headings:
City walls--Turkey--Diyarbakır--Congresses.
Diyarbakır (Turkey)--Description and travel--Encyclopedias.
Diyarbakır (Turkey)--History--Congresses.