Bibliography

Review in De Telegraaf by Ed Wingen of the exhibition CONSTANT 1945 | 1965 at Gallery Krikhaar from January 2 till February 2, 1965.

Review in Het Parool by J. Eijkelboom Bosman of the exhibition CONSTANT 1945 | 1965 at Gallery Krikhaar from January 2 till February 2, 1965

Announcement of exposition at Gallery Krikhaar.

Review in Het Algemeen Handelsblad by the editor of the exhibition CONSTANT 1945 | 1965 at Gallery Krikhaar from January 2 till February 2, 1965.

Leaflet for the exhibition Constant 1945-‘65 at the Rotterdamse kunstkring Galerie Delta Rotterdam from February 12 till March 7, 1965.

Catalogue with the exhibition Constant | schilderijen plastieken New Babylon from October 1 till November 21, 1965 at Gemeentemuseum Den Haag.

Review in Algemeen Dagblad by Anthony Bosman of the exhibition CONSTANT 1945 | 1965 at Gallery Krikhaar from January 2 till February 2, 1965.

For the exhibition New Babylon at the Dominicanerkerk in Maastricht, Netherlands from July 15 till August 15, 1965. PDF: De New Babylon Informatief 1

For the exhibition Constant | schilderijen plastieken New Babylon at Gemeentemuseum Den Haag from October 2 till November 22, 1965. Editor: Victor Nieuwenhuys PDF: De New Babylon Informatief 2

Sold for 1 Dutch guilder, with the contributors randomly listed their names spelled without capital letters, the leaflet Provo 4 offers a unique view into 1965 with an interview about New Bablyon with Constant. October 28, 1965

Article regarding the renewed social art regulation for visual artists, the so-called 'tegenprestatieregeling'. 

Announcement in Dutch newspaper De Telegraaf about the case Constant starts against Stedelijk Museum over the ownership of the painting Le barricade [1949].

Announcement in Dutch newspaper Het Parool about the case Constant starts against Stedelijk Museum over the ownership of the painting Le barricade [1949].

Announcement in Dutch newspaper De Gooi- en Eemlander about the case Constant starts against Stedelijk Museum over the ownership of the painting Le barricade [1949].

Small news item in Leidsch Dagblad about Constants demand to have the painting Barricade returned to him by the Stedelijk Museum Amsterdam, April 21, 1964.

Article on New Babylon in Paletten, nr. 2, 1964

Article regarding the renewed social art regulation for visual artists, the so-called 'tegenprestatieregeling'. 

Catalogue for the exhibition Constant New Babylon. Vorstellungen Zukünftiger Lebensformen at Museum Haus Lange Krefeld from 31 October 1964 to 6 December 1964.

Catalog of the exhibition 150 years of Dutch Art. The exhibition was held was held at the initiative of the National Commemoration Committee 1813-1963 under the chairmanship of H.R.H. Princess Beatrix.

Catalog by C. Caspari and Constant