Information on Cobra in Dutch and English.
Documentation
Pages
Constant (Nieuwenhuys) Amsterdam 1920 – 2005 Utrecht
Short history on Constant and Cobra with comments of Jan Elburg.
Gemeentemuseum
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.
