Columbia subject headings:
Harvard subject headings:
Authors, German--Germany--Cologne--Biography.
Kermani, Navid, 1967---Travel--Middle East.
Kermani, Navid, 1967---Travel--South Asia.
Kermani, Navid, 1967---Travel.
Muslims--Germany--Cologne--Biography.
Princeton subject headings:
Kermani, Navid, 1967---Travel.