Editorial Síntesis, Madrid, 2001. Edited by Eva Brabant, Ernst Falzeder, and Patricia Giampieri-Deutsch; scientific supervision by André Haynal and transcription by Ingeborg Meyer-Palmedo. Volume I.1 (1908-1911) 379 pp. Volume I.2 (1912-1914) 285 pp. Volume II.1 (1914-1916) 223 pp. Volume II.2 (1917-1919) 252 pp. Hardcover with dust jacket. Previous owner's bookplate. Some minor underlining in ballpoint pen in the first volume.
