Van Engen, J. H. (2008). Sisters and brothers of the common life: The Devotio Moderna and the world of the later Middle Ages. University of Pennsylvania Press.

Van Engen, John H. Sisters and Brothers of the Common Life: The Devotio Moderna and the World of the Later Middle Ages. Philadelphia: University of Pennsylvania Press, 2008.

Van Engen, John H. Sisters and Brothers of the Common Life: The Devotio Moderna and the World of the Later Middle Ages. University of Pennsylvania Press, 2008.