Conwell, J. F. (1997). Impelling spirit: Revisiting a founding experience, 1539, Ignatius of Loyola and his companions : an exploration into the spirit and aims of the Society of Jesus as revealed in the founders' proposed Papal letter approving the Society. Chicago, Ill.: Loyola Press.MLA Citation
Conwell, Joseph F. Impelling Spirit: Revisiting a Founding Experience, 1539, Ignatius of Loyola and His Companions : An Exploration Into the Spirit and Aims of the Society of Jesus As Revealed in the Founders' Proposed Papal Letter Approving the Society. Chicago, Ill.: Loyola Press, 1997.