Columbia subject headings:
Gräfrath (Solingen, Germany)--Buildings, structures, etc.
Kloster Gräfrath.
Monasteries--Conservation and restoration--Germany--Gräfrath (Solingen)
Harvard subject headings:
Princeton subject headings:
Gräfrath (Solingen, Germany)--Buildings, structures, etc.
Kloster Gräfrath.
Monasteries--Germany--Gräfrath (Solingen)--Conservation and restoration.