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

La Revue des Ressources

PDF's of text of the Internationale Situationiste.

Mark Dek

Short biography of Constant in Dutch.

Megastructures Reloaded

Short analysis of New Babylon in English and German.

Mieke Rozing

A video presentation for children about Constant in Dutch.


Extensive background information on Constant in English.

Sikkens Foundation

Jury rapport of the Sikkens award in 1960, won by Aldo van Eyck and Constant for their project Voor een spatiaal colorisme in Dutch.

Situationist International Online

Texts by the SI in English.

Spatial Agency

Short insight in his New Babylon project in English.

Stedelijk Museum Schiedam

Information on the Constant works in their collection and on longterm loan.

Vrij beelden en Cobra

Expands on Cobra and individual artists in the group.