Columbia subject headings:
Catholic Church--Liturgy--Congresses.
Mary, Blessed Virgin, Saint, in the liturgy--Congresses.
Mary, Blessed Virgin, Saint--Art--Congresses.
Mary, Blessed Virgin, Saint--Devotion to--France--Normandy--Congresses.
Mary, Blessed Virgin, Saint--Devotion to--France--Rouen--Congresses.
Mary, Blessed Virgin, Saint--Feasts--Congresses.
Harvard subject headings:
Catholic Church--Liturgy--Congresses.
Mary, Blessed Virgin, Saint, in the liturgy--Congresses.
Mary, Blessed Virgin, Saint--Art--Congresses.
Mary, Blessed Virgin, Saint--Devotion to--France--Normandy--Congresses.
Mary, Blessed Virgin, Saint--Devotion to--France--Rouen--Congresses.
Mary, Blessed Virgin, Saint--Feasts--Congresses.
Princeton subject headings: