"Holy Year, 1825." . . . . . . "The brief of His Holiness Pope Leo XII, on proclaiming the extension of the jubilee : to the whole world in 1826, celebrated at Rome in 1825, indiction 13, to which is prefixed the mandate of the Bishop of Philadelphia, with an appendix on the subject of this plenary indulgence denominated the jubilee, with regulations for its observance, and catechetical instructions"@en . . . . . . . . . . . . . . . "Catholic Church. Diocese of Philadelphia (Pa.). Bishop (1820-1842 : Conwell)." . .