https://www.catholic.com/encyclopedia/caspar-riffel
Caspar Riffel | Catholic Answers Encyclopedia
Riffel, CASPAR, historian, b. at Budesheim, Bingen, Germany, January 19, 1807; d. at Mainz, December 15, 1856. He studied under Klee at Mainz and Bonn and...
caspar riffelcatholic answersencyclopedia