Home › Authors › Catholic Church. Pope (1272-1276 : Gregory X) 👤 Catholic Church. Pope (1272-1276 : Gregory X) 1 book Books by Catholic Church. Pope (1272-1276 : Gregory X) Acta Urbani IV, Clementis IV, Acta Urbani IV, Clementis IV, Gregorii X (1261-1276) 1953