[1970s] Paul Bonger and Rick Vermeulen, Sonsbeek '72 Arnhem, Stichting Sonsbeek, 1972. An artists' project by Bonger and Vermeulen who revisited the influential Sonsbeek 71 exhibition sites one year after the show, archiving what happened to the artworks. Their field-work resulted in a 3 volume catalogue, 13.5 x 17 cm, containing 360 filing cards with b/w images of the original location of the work on recto and notes about the whereabouts of the work on verso. Edition of 700, text in Dutch and English. Participating artists include Vito Acconci, Bas Jan Ader, Daniel Buren, Wim T. Schippers, Edward Ruscha, Paul Sharits, Dan Graham, Hanne Darboven et al. Moderate scuffing on covers, glue binding on one copy partly loose. (total 3)

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.