The Future: What Have We Heard? Where Are We Going? by Pierre Wolff, SJ

The Eucharistic Letter of Father Pierre Medaille, SJ: A Study by Father Pierre Wolff, SJ

Study of the Primitive Constitutions by Father Pierre Wolff, SJ

Commentary on Primitive Texts of Sisters of St. Joseph by Father Pierre Wolff, SJ

Etude sur la Lettre Eucharistique du Pere Medaille