author=Escarra%2C+Jean%2C+plus%3A+Segogne%2C+Neltner%2C+Charignon%2C+Ichac%2C+Arlaud%2C+Azemar%2C+Gache%2C+and+Allain+Preface+by+M+le+Marechal+Franchet+d%27Esperey