Columbia subject headings:
Composers--Italy--Correspondence.
Copertini, Spartaco, 1879-1952--Correspondence.
Music teachers--Italy--Correspondence.
Harvard subject headings:
Composers--Italy--Correspondence
Copertini, Spartaco, 1879-1952--Correspondence.
Music teachers--Italy--Correspondence.
Princeton subject headings:
Composers--Italy--Biography.
Copertini, Spartaco, 1879-1952.