Columbia subject headings:
Islamic architecture--Congresses.
Mosques--Congresses.
Mosques--Turkey--Congresses.
Harvard subject headings:
Islamic architecture--Congresses.
Mosques--Congresses--Congresses.
Mosques--Turkey--Congresses.
Princeton subject headings:
Islamic architecture--Congresses.
Mosques--Congresses--Congresses.
Mosques--Turkey--Congresses.