Regina Isabella catholica.
Filia Ioannis .ii. Nupta Ferdinando
Regi catholico, ipsi in 2: gradu coniuncto
Isabella I of Castile daughter of John II of Castile, see Folio 75r
9 April – Saint Prochorus
Modern Hagiography
Lives of the Saints by Sabine Baring-Gould.
Medieval Hagiography
Art & Architecture
Catalogo generale dei beni culturali
Tributes of Protestant Writers to the Truth and Beauty of Catholicity – The Catacombs of Rome
“The Power and Primacy of the Roman Pontiff” from a passage in A System of Theology by Gottfried Wilhelm Leibniz (1715).
Nihil sub sole novum 
