Columbia subject headings:
Music, Greek and Roman--History and criticism--Sources.
Music, Greek and Roman--Manuscripts--Catalogs.
Music--Manuscripts--Catalogs.
Harvard subject headings:
Music theory--Early works to 1800--Bibliography.
Music theory--History--To 500--Manuscripts--Bibliography--Catalogs.
Music theory--Manuscripts--Catalogs.
Music, Greek and Roman--History and criticism--Manuscripts--Catalogs.
Music, Greek and Roman--Manuscripts--Bibliography--Catalogs.
Princeton subject headings:
Music theory--History--To 500--Manuscripts--Catalogs.
Music, Greek and Roman--History and criticism--Sources--Bibliography--Catalogs.
Music, Greek and Roman--Manuscripts--Catalogs.