The Chaucer Review: An Indexed Bibliography (Vols. 1-30)

Collette, Carolyn P. "'Ubi peccaverant, ibi punirentur': The Oak Tree and the Pardoner's Tale." 19 (1984): 39-45.
Throughout the Old Testament, the oak tree is associated with death and with choice. When the three rioters find the gold, they must choose between God and money, life and death.