Content by or about Constant Anton Nieuwenhuys (21 July 1920 – 1 August 2005), better known as Constant, a Dutch painter, sculptor, graphic artist, author and musician. He was a member of the avant garde art group COBRA and of the Situationist International.
Revolt and Recuperation in Holland
The S.I. on the Dutch Provos movement and the involvement of former S.I. member Constant. From Internationale Situationniste #11 (October 1967).