Columbia subject headings:
Catholic Church. Antiphonary.
Gregorian chants--History and criticism.
Musical meter and rhythm.
Neumes.
Paleography, Musical.
Harvard subject headings:
Catholic Church Antiphonary.--Liturgy.
Gregorian chants--History and criticism.
Musical meter and rhythm.
Neumes.
Paleography, Musical.
Princeton subject headings:
Catholic Church. Antiphonary
Gregorian chants--History and criticism.
Musical meter and rhythm.
Neumes.
Paleography, Musical.