September 1971 issue of Museumjournaal. Issue incorporates a slipped in 8 page supplement titled "Artist's Resered Rights Sale Agreement / Concept Contract Voor de Verkoop van Kunstwerken," with texts by Seth Siegelaub in English and J.C. Smithuijsen in Dutch. Periodical includes contributions by Cor Blok, Piet van Daalen, Hans Sizoo, Jan Donia, Frans Haks and Evert van Straaten on Vito Acconci and Dan Graham, Tito Cruls, Joost Baljeu, J. Leering, and Geert van Beijeren. Texts, except for Siegelaub, in Dutch.
