Altogether approx. 10 books of his work edition, including, among other things, The Life of Tolstois, Pierre and Luce (illustrated with 16 woodcuts by Frans Masareel), Before the Threshold of the Century. Memoirs and diary entries, The conscience of Europe. Diary of the war years 1914-1919. Records and documents on the moral history of Europe at that time, etc., Berlin: Rütten & Loening, 1960s, blue full cloth, signs of age and wear
