Columbia subject headings:
Ignatius, of Loyola, Saint, 1491-1556.
Ignatius, of Loyola, Saint, 1491-1556. Exercitia spiritualia.
Harvard subject headings:
Ignatius, of Loyola, Saint, 1491-1556
Ignatius, of Loyola, Saint, 1491-1556. Exercitia spiritualia
Princeton subject headings:
Ignatius, of Loyola, Saint, 1491-1556.
Ignatius, of Loyola, Saint, 1491-1556. Exercitia spiritualia.