Columbia subject headings:
Germans--Turkey--Istanbul--History.
Kindergarten--Turkey--Istanbul--History.
Lutheran Church--Turkey--Istanbul--History.
Harvard subject headings:
Germans--Turkey--Istanbul--History.
Kindergarten--Turkey--Istanbul--History.
Lutheran Church--Turkey--Istanbul--History.
Princeton subject headings:
Germans--Turkey--Istanbul--History.
Kindergarten--Turkey--Istanbul--History.
Lutheran Church--Turkey--Istanbul--History.