A book has always a great number of authors, and the following pages owe much to the researches of others; I have tried in the notes to show the whole value of these debts. I have also had colaborers to whom it will be more difficult for me to express my gratitude. I refer to the librarians of the libraries of Italy and their assistants; it is impossible to name them all, their faces are better known to me than their names, but I would here say that during long months passed in the various collections of the Peninsula, all, even to the most humble employees, have shown a tireless helpfulness even at those periods of the year when the number of attendants was the smallest. Professor Alessandro Leto, who, barely recovered from a grave attack of influenza, kindly served as my guide among the archives of Assisi, deserves a very particular mention. To the Syndic and municipality of that city I desire also to express my gratitude. I cannot close without a warm remembrance to the spiritual sons of St. Francis dispersed in the mountains of Umbria and Tuscany. Dear dwellers in St. Damian, Portiuncula, the Carceri, the Verna, Monte Colombo, you perhaps remember the strange pilgrim who, though he wore neither the frock nor the cord, used to talk with you of the Seraphic Father with as much love as the most pious Franciscan; you used to be surprised at his eagerness to see everything, to look at everything, to thread all the unexplored paths. You often tried to restrain him by telling him that there was not the smallest relic, the most meagre indulgence in the far-away grottos to which he was dragging you, but you always ended by going with him, thinking that none but a Frenchman could be possessed by a devotion so fervent and so imprudent. Thank you, pious anchorites of Greccio, thank you for the bread that you went out and begged when I arrived at your hermitage benumbed with cold and hunger. If you read these lines, read here my gratitude and also a little admiration. You are not all saints, but nearly all of you have hours of saintliness, flights of pure love. If some pages of this book give you pain, turn them over quickly; let me think that others of them will give you pleasure, and will make the name you bear, if possible, still more precious to you than it now is. FOOTNOTES: [1] The mendicant orders were in their origin a true _International_. When in the spring of 1216 St. Dominic assembled his friars at Notre Dame de la Prouille, they were found to be sixteen in number, and among them Castilians, Navarese, Normans, French, Languedocians, and even English and Germans. Heretics travelled all over Europe, and nowhere do we find them checked by the diversity of languages. Arnold of Brescia, for example, the famous Tribune of Rome, appeared in France and Switzerland and in the heart of Germany.