""Sermons Delivered During The Second Plenary Council Of Baltimore, October, 1866, And Pastoral Letter Of The Hierarchy Of The United States (1866)"" is a collection of sermons and letters by the Baltimore Ecclesiastical Province. The book was published in 1866 and contains the sermons delivered during the Second Plenary Council of Baltimore in October of that year. The council was a meeting of Catholic bishops from across the United States who gathered...