Columbia subject headings:
Islamic monasteries--Turkey--Istanbul.
Islamic monasticism and religious orders--Turkey--Istanbul.
Istanbul (Turkey)--Religion--Customs and practices.
Sufism--Turkey--Istanbul.
Harvard subject headings:
Islamic monasteries--Turkey--Istanbul.
Islamic monasticism and religious orders--Turkey--Istanbul.
Istanbul (Turkey)--Religion--Customs and practices.
Sufism--Turkey--Istanbul.
Princeton subject headings:
Islamic monasteries--Turkey--Istanbul.
Islamic monasticism and religious orders--Turkey--Istanbul.
Istanbul (Turkey)--Religion--Customs and practices.
Sufism--Turkey--Istanbul.