Columbia subject headings:
Architecture--Turkey--History.
Cultural property--Protection--Turkey.
Historic buildings--Turkey.
Historic sites--Turkey.
Keskin İlçesi (Kırıkkale İli, Turkey)--Buildings, structures, etc.
Kırıkkale İli (Turkey)--Buildings, structures, etc.
Turkey--Buildings, structures, etc.--History.
Harvard subject headings:
Architecture--Turkey--History.
Cultural property--Protection--Turkey.
Historic buildings--Turkey.
Historic sites--Turkey.
Keskin İlçesi (Kırıkkale İli, Turkey)--Buildings, structures, etc.
Kırıkkale İli (Turkey)--Buildings, structures, etc.
Turkey--Buildings, structures, etc.--History.
Princeton subject headings:
Architecture--Turkey--History.
Cultural property--Protection--Turkey.
Historic buildings--Turkey.
Historic sites--Turkey.
Keskin İlçesi (Kırıkkale İli, Turkey)--Buildings, structures, etc.
Kırıkkale İli (Turkey)--Buildings, structures, etc.
Turkey--Buildings, structures, etc.--History.