This work treats with great care and thoroughness the history of the Waldensian emigrants from the high valleys of Piedmont to many and varied settlements in the Americas. The author has been able to fill a lacuna in the history of American churches by ransacking the colonial and regional records of several states and by using much genealogical material garnered in part from descendants of the Italian settlers. An appendix contains a necessarily incomplete list of the members of this faith in the United States.