. W. G. SMITH. Synopsis of British basidiomycetes. 145 figs, 5 plates. 1908. - Clavis agaricinorum. London, L. Reeves, 1870. Joint Guillaume SICARD. Natural history of edible and poisonous mushrooms. 75 color plates. Ch. Delagrave, 1884. Rolf SINGER. Die Rohrlinge. 2 vols. Atlas of 21 plates. Verlag Julius Klinkhardt, 1965. Pierre SEYOT. The boletes of France. 60 drawings. Les arts graphiques modernes, 1935. - The amanites and the tribe of amanites. 59 drawings. Modern graphic arts, 1930. - Pierre SEYOT. A. B. C. Mycologique. Pocket book for the amateur, containing all you need to know to pick mushrooms and eat them without fear of poisoning. 10 figures and 307 drawings executed in pen and colored by the author. 2nd edition. Arts Graphiques Modernes, Jarville-Nancy. All 8 volumes.

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.