Columbia subject headings:
Harvard subject headings:
Detective and mystery stories
Kayankaya, Kemal (Fictitious character)
Private investigators--Germany--Frankfurt am Main--Fiction.
Turks--Germany--Frankfurt am Main--Fiction.
Princeton subject headings:
Fiction.
Frankfurt am Main (Germany)--Fiction.
Kayankaya, Kemal (Fictitious character)--Fiction.
Private investigators--Germany--Frankfurt am Main--Fiction.