Book of the Pastoral Rule and Selected Epistles of Pope St. Gregory I (the Great)Pope St. Gregory I. (The Great), Paul Boer, James Barmby · First published 2012Open the Tome
Observations upon a pamphlet, entitul'd, The letter which Pope Gregory XV wrote to Charles I. of England, concerning his marriage to the Infanta of Spain, and that Prince's answer. By William MatthewsWilliam Matthews · First published 1729Open the Tome
