Columbia subject headings:
Belgium--Church history.
Catholic Church--Belgium--Nivelles--Liturgy--To 1500--Texts--History.
Catholic Church--Belgium--Nivelles--Liturgy--To 1500--Texts.
Catholic Church. Liber ordinarius (Nivelles : 13th century)
Church history--Middle Ages, 600-1500.
Convents--Belgium--History.
Monasticism and religious orders for women--Belgium--History.
Ordinals (Liturgical books)--Texts.
Sint Gertrudisabdij (Nivelles, Belgium)--History.
Harvard subject headings:
Belgium--Church history
Catholic Church--Belgium--Nivelles--Liturgy--To 1500--Texts--History.
Catholic Church--Belgium--Nivelles--Liturgy--To 1500--Texts.
Catholic Church. Liber ordinarius (Nivelles : 13th century)
Church history--Middle Ages, 600-1500
Convents--Belgium--History.
Houghton Library. Manuscript. Lat. 422.
Monasticism and religious orders for women--Belgium--History.
Ordinals (Liturgical books)--Texts
Sint Gertrudisabdij (Nivelles, Belgium)--History.
Princeton subject headings:
Belgium--Church history.
Catholic Church--Belgium--Nivelles--Liturgy--To 1500--Texts--History.
Catholic Church--Belgium--Nivelles--Liturgy--To 1500--Texts.
Catholic Church. Liber ordinarius (Nivelles : 13th century)
Church history--Middle Ages, 600-1500.
Convents--Belgium--History.
Monasticism and religious orders for women--Belgium--History.
Ordinals (Liturgical books)--Texts.
Sint Gertrudisabdij (Nivelles, Belgium)--History.