SELECTED PUBLIC SPACES
1961 Explosive Forces of Nature, AKU Fountain, Gele Rijdersplein, Arnhem, the Netherlands
1965 Column for Meditation, St. Paul, MN, U.S.A.
1968 Granny's Knot, Collection Kykuit, National Trust for Historic Preservation, bequest of Nelson
A. Rockefeller, Tarrytown, NY, U.S.A.
1975 Meeting point, Schiphol Airport, Amsterdam, the Netherlands
1976 Forum / Ontmoetingsplaats, ‘t Breedveld, Amsterdam, the Netherlands
1976 Four times Two (Knot), City of Rotterdam, the Netherlands
1981 Friendship Knot, Little Tokyo, Los Angeles, CA, U.S.A.
1984 Junction, NOB (Dutch Broadcasting), Hilversum, the Netherlands
1989 Overhand Knot, Tax Offices, Maastricht, the Netherlands
1991 Knot for Queen (Overhand Knot), Palace Noordeinde garden, The Hague, the Netherlands
1992 Connection (Knot), Baarlo, the Netherlands
1997 Knot sculpture route, Baarlo, the Netherlands
1994 Friendship Knot, Bruyères, France
1996 Sentinel (Monument for the end of the Dutch Military Draft), Nassauplein, The Hague, the
2007 Four Sentinels on the bridge over the Maas river, Venlo, the Netherlands
2007 Remembrance (knot), Gildeschool Technodome, Venlo, the Netherlands