AVIATION. Léopold VARCIN (1884-1967) aviation ace, captain, commander of the military aviation school of Châteauroux during the 14-18 war. 3 L.A.S., 1913-1917, to Jacques Mortane; 8 pages in-8 or in-12, 2 on the letterhead of the Military Aviation School of Châteauroux. Lens October 19, 1913, sending an article: "I can only congratulate you very sincerely for the beautiful campaign that you are not hesitating to undertake"... Châteauroux July 26, 1916, thanking you for the "very laudatory article that you were kind enough to write in "La Vie au grand air" for my brother and for me. [Châteauroux May 31, 1917, thanking him for his laudatory articles on his brother; "if polemics and discussion cannot be completely opened up at the moment, they lose nothing by waiting, because the facts justify a lot of predictions every day. He explains his refusal to allow the publication of photographs of "reconnaissance above or from "Châteauroux"... Attached is a L.A.S. to the widow of Jacques Mortane, Lens September 29, 1966 (3 p. in-8), deploring Mortane's premature death. Plus 3 l.a.s. from his brother Hector VARCIN (1891-1965, war pilot), 1914-1916, to Jacques Mortane.