Letter on Obedience - Probably the best known of St. Ignatius of Loyola's letters. Written to members of the Society of Jesus in Portugal. www.cin.org/jesuit.html
The Spiritual Exercises - The Ignatian method of prayer uses visual imagination to draw nearer to God. Intended for spiritual directors or retreat masters. Elder Mullan translation. Also available in RTF and pdf. ccel.org/ignatius/exercises/exercises.html
The Spiritual Exercises - Elder Mullan translation. Full text, with concordances and word frequency lists. www.intratext.com/X/ENG0036.htm