His Holiness, Pope Leo XIII
Apostolic Letter to Cardinal Pietro Respighi, Vicar General of Rome

On Protestant Proselytism in Rome (1900)
Apostolic Letter of His Holiness Pope Leo XIII, in which he laments and condemns the preaching and proselytism of Protestants in the city of Rome, Italy.
… READ MORETo M. Pietro Cardinal Respighi, our Vicar General,
Lord Cardinal,
Already, from the first moments of Our Pontificate, We had to indicate, as one of the most deplorable harm that is the change in the order of things in this capital of the Catholic world, the ardent proselytism of heresy and, consequently, the peril which the Faith of Our people was exposed to.