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ACTA SANCTAE SEDIS
Monthly publication in Rome, but not officially by the Holy See, from 1865 to 1908. It contained the principal declarations of the Pope and the Roman congregations. In 1904, its contents were declared official and authentic. by the end of 1908, it was superseded by the Acta Apostolicae Sedis.
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.