Catholic Church. Pope & Leo XII, P. (1824). The encyclical letter of Pope Leo the XII: To his venerable brethern, the patriarchs, primates, archbishops and bishops of the Catholic Church, with an English translation of the same : to which are annexed pastoral instructions by the R.C. archbishops and bishops, to the clergy and laity of their communion throughout Ireland. Richard Coyne ... publisher to the Roman Catholic Bishops of Ireland, and sold in London by Keating and Brown.

Catholic Church. Pope and Pope Leo XII. The Encyclical Letter of Pope Leo the XII: To His Venerable Brethern, the Patriarchs, Primates, Archbishops and Bishops of the Catholic Church, with an English Translation of the Same : To Which Are Annexed Pastoral Instructions by the R.C. Archbishops and Bishops, to the Clergy and Laity of Their Communion Throughout Ireland. Richard Coyne ... publisher to the Roman Catholic Bishops of Ireland, and sold in London by Keating and Brown, 1824.