Nikolai Nikolaevich Baron WRANGELL (1880-1915) Five letters to Denis Roche, three on letterhead of the Jubilee Commission of the Académie des Beaux-Arts (20/12/1913, 05/03/1914 and 15/01/1915) and two sent from London (15/06/1914 and 26/07/1914). These letters concern Denis Roche's projects for French artists in Russia. Exhibition catalog "Старый ПетербургЪ", editor N. Wrangell, St. Petersburg 1903 with a dispatch from the author dated July 3, 1908. - Valerian Porfirovich LOBOÏKOV (1861-1932) Secretary of the Académie des Beaux-Arts, he wrote a letter to Denis Roche on June 4, 1912, concerning the latter's status as an associate member, and a postcard on November 11, 1916. - Pavel Youlevitch (Paul-Jules Persin) Count of SUZOR (1844-1919) Architect. Two letters to Denis Roche, dated August 12, 1912 and December 9, 1916. Provenance: Archives of Denis Roche. [Russian art]