Most of what is here written was spoken many months ago in the Amphithéâtre Richelieu of the Sorbonne, in
Paris, and some of it in Lille, Nancy, Dijon, Lyons, Grenoble, Montpellier, Toulouse, Bordeaux, Poitiers,
Rennes, and Caen; and all of it was in the American publisher's hands before the great war came, effacing,
with its nearer adventures, perils, sufferings, and anxieties, the dim memories of the days when the French
pioneers were out in the Mississippi Valley, "The Heart of America.