Vatican News: Act of Contrition and Sacrament of Reconciliation "Should we be in need of forgiveness of mortal sin, and cannot for some reason go to confession, a perfect Act of Contrition is needed along with the intention of going to confession as soon as possible."
Poschmann 1964, pp. 60–61. Poschmann, Bernhard (1964). Penance and the anointing of the sick. Herder history of dogma. Translated by Courtney, Francis. New York: Herder and Herder. OCLC2205919.
Poschmann 1964, pp. 95–96, 136–45. Poschmann, Bernhard (1964). Penance and the anointing of the sick. Herder history of dogma. Translated by Courtney, Francis. New York: Herder and Herder. OCLC2205919.
Poschmann 1964, pp. 124–125. Poschmann, Bernhard (1964). Penance and the anointing of the sick. Herder history of dogma. Translated by Courtney, Francis. New York: Herder and Herder. OCLC2205919.
Poschmann 1964, pp. 123–37. Poschmann, Bernhard (1964). Penance and the anointing of the sick. Herder history of dogma. Translated by Courtney, Francis. New York: Herder and Herder. OCLC2205919.
Poschmann 1964, p. 209. Poschmann, Bernhard (1964). Penance and the anointing of the sick. Herder history of dogma. Translated by Courtney, Francis. New York: Herder and Herder. OCLC2205919.
Trent, Council of (session 6, 1547-01-13). "Decree on justification". In Denzinger (2012), nn. 1542–1543. Cited in Rahner (1969), p. 387. Denzinger, Heinrich; Hünermann, Peter; et al., eds. (2012). "Denzinger". Enchiridion symbolorum: a compendium of creeds, definitions and declarations of the Catholic Church (43rd ed.). San Francisco: Ignatius Press. ISBN978-0-89870-746-5. Rahner, Karl (1969). "Penance". In Rahner, Karl; Darlapp, Adolf; Ernst, Cornelius; Smyth, Kevin (eds.). Sacramentum mundi: an encyclopedia of theology. Vol. 4. New York [u.a.]: Herder and Herder. pp. 385–399. OCLC21568.
