Columbia subject headings:
Folk music--Greece--History and criticism.
Folk music--Italy--Calabria--History and criticism.
Folk music--Pontus--History and criticism.
Greeks--Italy--Calabria--Music--History and criticism.
Greeks--Pontus--Music--History and criticism.
Harvard subject headings:
Folk music--Greece--History and criticism.
Folk music--History and criticism
Folk music--Italy--Calabria--History and criticism.
Folk music--Pontus--History and criticism.
Greeks--Italy--Calabria--Music--History and criticism.
Greeks--Music--History and criticism.
Greeks--Pontus--Music--History and criticism.
Princeton subject headings: