Catholic Church. Poenitentiaria Apostolica, Christopher, J. P., & Spence, C. E. (1943). The raccolta: Or, Prayers and devotions, enriched with indulgences in favor of all the faithful in Christ or of certain groups of persons, and recently revised, edited and in part newly translated into English from the 1938 official edition "Preces et pia opera" issued by the Sacred penitentiary apostolic and with later additions. Benziger, printers to the Holy see and the Sacred congregation of rites.

Catholic Church. Poenitentiaria Apostolica, Joseph Patrick Christopher, agus Charles E. Spence. The Raccolta: Or, Prayers and Devotions, Enriched with Indulgences in Favor of All the Faithful in Christ or of Certain Groups of Persons, and Recently Revised, Edited and in Part Newly Translated into English from the 1938 Official Edition "Preces Et Pia Opera" Issued by the Sacred Penitentiary Apostolic and with Later Additions. New York: Benziger, printers to the Holy see and the Sacred congregation of rites, 1943.

Catholic Church. Poenitentiaria Apostolica, et al. The Raccolta: Or, Prayers and Devotions, Enriched with Indulgences in Favor of All the Faithful in Christ or of Certain Groups of Persons, and Recently Revised, Edited and in Part Newly Translated into English from the 1938 Official Edition "Preces Et Pia Opera" Issued by the Sacred Penitentiary Apostolic and with Later Additions. Benziger, printers to the Holy see and the Sacred congregation of rites, 1943.