For a brief overview of the Rule (as well as each of the other Writings) click here
Durkin, Mary-Cabrini. Angela Merici’s Journey of the Heart : The Rule, the Way. Boulder, CO: WovenWord Press, 2005.
Stone, Ignatius. Commentary on the Writings of Saint Angela Merici : Rule, Counsels, Legacies. S.L.: S.N., 1996.
Hagan, Margaret Ann, ed., Ursulines of Louisville [focus group], A Collective Reflection on the Rule of St. Angela. 2009.
Company of St Angela [Louisville Association of the Faithful], A Contemporary Adaptation of the Rule, 1995.