Columbia subject headings:
Architecture--Germany--Sonneberg (Landkreis)
Historic buildings--Germany--Sonneberg (Landkreis)
Sonneberg (Germany : Landkreis)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Germany--Sonneberg (Landkreis)
Historic buildings--Germany--Sonneberg (Landkreis)
Monuments--Germany--Sonneberg (Thuringia)
Princeton subject headings: