Columbia subject headings:
Catholic Church. Sacramentary.
Harvard subject headings:
Catholic Church--Liturgy--Manuscripts.
Catholic Church. Sacramentary.
Christian literature, Early--Manuscripts.
Church history--Middle Ages, 600-1500--Sources.
Church history--Primitive and early church, ca. 30-600--Sources.
Palimpsests.
Sacramentaries
Princeton subject headings: