Columbia subject headings:
Monuments--Conservation and restoration--Netherlands--Delft.
William I, Prince of Orange, 1533-1584--Monuments--Conservation and restoration.
Harvard subject headings:
Princeton subject headings:
Delft (Netherlands)--Buildings, structures, etc.
Keyser, Hendrik de, 1565-1621.
Nieuwe Kerk (Delft, Netherlands)
Sepulchral monuments--Conservation and restoration--Netherlands--Delft.
William I, Prince of Orange, 1533-1584--Tomb.