Columbia subject headings:
Harvard subject headings:
Architecture--Germany--Kassel (Landkreis)
Historic buildings--Germany--Kassel (Landkreis)
Princeton subject headings:
Architecture--Germany--Kassel (Landkreis).
Historic buildings--Germany--Kassel (Landkreis).
Kassel (Germany : Landkreis)--Buildings, structures, etc.
Kassel (Germany : Landkreis)--Description and travel.