Columbia subject headings:
Caeremoniale Romanum.
Catholic Church--Liturgy.
Papacy--Customs and practices.
Papal courts.
Patrizi Piccolomini, Agostino, approximately 1435-1496.
Harvard subject headings:
Catholic Church--Liturgy--Texts.
Renaissance.
Princeton subject headings:
Papacy--Ceremonies and practices.
Papacy--History.