Matura, T., & Lachance, P. (2010). Francis of Assisi: Heritage and heirs eight centuries later ([First English edition].). Franciscan Institute.

Matura, Thaddée, and Paul Lachance. Francis of Assisi: Heritage and Heirs Eight Centuries Later. [First English edition]. St. Bonaventure, New York: Franciscan Institute, 2010.

Matura, Thaddée, and Paul Lachance. Francis of Assisi: Heritage and Heirs Eight Centuries Later. [First English edition]. Franciscan Institute, 2010.