Biographia Cisterciensis – Dictionary of Cistercian Biography online
Waddell, Chrysogonus/Bibliographie
Praise No Less Than Charity: Studies in Honor of M. Chrysogonus Waddell, Monk of Gethsemani Abbey, Edited by E. Rozanne Elder, Cistercian Studies series 193, Kalamazoo, Michigan: Cistercian Publications, 2002