Breviarium Romanum, ex decreto sacrosancti Concilij Trident. restitutum, /
Catholic Church.
Antverpiae : Ex architypographia Plantiniana,
1733.
Affixed at the end of the 'Officium S. Joachim Confessoris' section at the end of volume 'aestiva' is an article entitled "In Festo S. Gregorii VII. Papae et Confessoris". There are additional leaves in manuscript at the end of each volume containing the proper of masses said on feast days observed in the archdiocese of Cologne.