Article by Graham Birtwistle.
Elsevier , 29 oktober 1988
Article on the cobra group in honour of the fourtieth anniversary.
Elsevier, 29 oktober 1988
Article about photographer Nellie Riemens and the Cobra group in honour of the fourthieth anniversary.
Article about an exhibition of the Experimentele Groep Holland in de Bijenkorf in 1949 by Graham Birtwistle in Jong Holland nr. 5, 1988.
Article in Jong Holland nr. 5 from Willemijn Stokvis about the Cobra artists in Italy after the group officially dissolved itself.
Article by Graham Birtwistle in Jong Holland nr. 5 about the difficulties in the historiography of CoBrA.
Article on the Danish CoBrA artists by Peter Shield in Jong Holland nr. 5, 1988.
Interview with Constant in the run-up to the exhibition Constant | Werk uit de periode 1975-1985 in Centraal Museum Utrecht.
Short notification in Kunstecho's about the Tate Gallery's acquisition of the work, Après Nou La Liberté, 1949.