French poet, essayist, and philosopher (1871–1945). ALS in French, one page both sides, 4.5 x 7.5, League of Nations letterhead, no date. A lovely letter to [Princess] Helene Soutzo, a friend and frequent correspondent of Proust and wife of French writer Paul Morand, regarding a canceled trip to Romania, the native country of his correspondent. In fine condition, with small tear to bottom edge and a small separation along central horizontal fold. RR Auction COA.