Philosophy and Art Notebooks, Paris, 1920-1921, Directors Florent Fels and Marcel Sauvage, 5 issues No. 2, March 1920 No. 3, April 1920 No. 4, July 1920 No. 5, October 1920 No. 6, December 1920 No. 7, May 1921 No. 10, November 1921
