Geltner, G. (2009). William of St. Amour’s 'De periculis novissimorum temporum': a false start to medieval antifraternalism? In M. F. Cusato, & G. Geltner (Eds.), Defenders and critics of Franciscan life: essays in honor of John V. Fleming (pp. 127-143). (The medieval Franciscans; No. 6). Brill.