https://www.catholicculture.org/culture/library/view.cfm?id=4236
Library : Sacerdotii Nostri Primordia (On St. John Vianney) | Catholic Culture
Sacerdotii Nostri Primordia (On St. John Vianney) Encyclical of Pope John XXIII promulgated on August 1, 1959.
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