Columbia subject headings:
Gregorian chants--History and criticism.
Gregorian chants.
Manuscripts, Cypriot--Facsimiles.
Music--Manuscripts--Facsimiles.
Harvard subject headings:
Gregorian chants--History and criticism.
Gregorian chants.
Manuscripts, Cypriote--Facsimiles.
Music--Manuscripts--Facsimiles
Princeton subject headings:
Chants.
Gregorian chants--History and criticism.
Gregorian chants.
Manuscripts, Cypriote--Facsimiles.
Music--Manuscripts--Facsimiles.