Columbia subject headings:
Benedictines--Italy--Genoa--Liturgy--Texts.
Gregorian chants.
Music--Manuscripts--Facsimiles.
Processionals (Liturgical books)
Harvard subject headings:
Benedictines--Italy--Genoa--Liturgy--Texts.
Gregorian chants.
Music--Manuscripts--Facsimiles.
Processionals (Liturgical books)
Princeton subject headings:
Benedictines--Italy--Genoa--Liturgy--Texts.
Chants.
Gregorian chants.
Music--Manuscripts--Facsimiles.
Processionals (Liturgical books)