Columbia subject headings:
Music--History and criticism--Sources.
Music--Manuscripts--History and criticism.
Sacred vocal music--Manuscripts--Italy--Abruzzo.
Sacred vocal music--Manuscripts--Italy--Sulmona.
Harvard subject headings:
Music--History and criticism--Sources
Music--Manuscripts--History and criticism.
Music--Manuscripts--History.
Sacred vocal music--Italy--Abruzzo--Manuscripts.
Sacred vocal music--Italy--Sulmona--Manuscripts.
Sacred vocal music--Manuscripts--Italy--Abruzzo.
Sacred vocal music--Manuscripts--Italy--Sulmona.
Princeton subject headings:
Archivio di Stato di Sulmona--Exhibitions.
Music--Italy--Sulmona--Bibliography--Exhibitions.
Music--Manuscripts--Italy--Sulmona--Exhibitions.