- Church history1
- Clasps1
- Collégiale Sainte-Gertrude (Nivelles, Belgium)1
- Contemporary bindings1
- Devotional literature, Latin (Medieval and modern)1
- Divine office--Liturgy1
- Dutch (culture or style)1
- England1
- Europe--Flanders1
- Flemish (culture or style)1
- Francis, of Assisi, Saint, 1182-12261
- Gabriel (Archangel)1
- Germany--Cologne1
- Germany--Mainz (Rhineland-Palatinate)1
- Gertrude, of Nivelles, Saint, 626-6591
- Gregorian chants1
- Gregorian chants--Manuscripts1
- Hieronymites1
- Hymns, Latin (Medieval and modern)1
- Illumination of books and manuscripts, Gothic1