DOCUMENTS. Yearbooks of artillery officers for the year 1906 and 1908, yearbook of the general staff of the army in 1897, the manual of the field artillery officer in 1916 is attached, the history of the artillery of the 18th ID (33rd RAC, 109th RAL), the general instruction on observation in 1922. 6 pieces. ABE (wear of the covers)

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.