Paul SIGNAC (1863-1935). L.A.S., February 28, 1931, to a "dear Comrade"; 3 pages in-8 on the letterhead of the Society of Independent Artists. On the support given to the Salon des Indépendants, threatened: "I read to my colleagues of the Committee your courageous defense of our Society. We were all of the opinion, to prove our gratitude, to ask you to accept the title of Honorary Member [...] We are going to do everything to save the Independents, and good defenders, like you, will be very useful to us "...