@Misc{BVMC:1037877,
author = {Iglesia Católica. Papa},
title = {Magnum bullarium romanum : a Beato Leone Magno usque ad S.D.N. Clementem XII},
url = {https://www.cervantesvirtual.com/obra/magnum-bullarium-romanum-a-beato-leone-magno-usque-ad-sdn-clementem-xii-1037877}
}