Buiten in beeld - Rijksmuseum Twenthe, Enschede

About Constant's model at Rijksmuseum Twenthe, Enschede.

Buiten in beeld - Ruimtecircus

About Ruimtecircus I, 1956-1961 at Rijksmuseum Amsterdam.

Call the witness

Video with Tom McDonough (art historian, United States) on Campo nomadi: Constant’s Design for a Gypsy Camp.

Chris den Engelsman

Short biography on Constant in Dutch


Quotes of the artist in Dutch

Cobra museum voor moderne kunst

Information on Cobra in Dutch and English.

Constant (Nieuwenhuys) Amsterdam 1920 – 2005 Utrecht

Short history on Constant and Cobra with comments of Jan Elburg.

Esther Schreuder

Curator/art historian/researcher's blog on the Cobra group in Dutch

Eva Nieuwenhuys-1

Portrait of Constant his daughter Eva Nieuwenhuys. 

ca 1954

NB: We do not have a version fit for print of this image.


Short biography on Constant in Dutch


The New Babylon project, part of the museum's masterpieces with some links to secondary materials in Dutch.

Het geheugen van Nederland

Database website of more than 800.000 images from 133 collections of 100 art organizations in the Netherlands.

Historie in perspectief

Item on graphic New Babylon work that was donated to the town of Meppel in 1967 which was eventually lost.

J. Seegers

Extensive background information about the Situationist International and Constant in English.

Jaski Gallery

Information on the Cobra group


Short biography of Constant in Dutch.


About Amsterdam in the sixties. References Constant, his New Babylon project, artists he worked with and his affiliation with the Provos.

Kunststroming Cobra

Educational website for children about the Cobra group