Columbia subject headings:
Sopranos (Singers)--Italy--Biography.
Zilli, Emma, 1863-1901.
Harvard subject headings:
Singers--Italy--Biography
Sopranos (Singers)--Italy--Biography
Zilli, Emma, 1863-1901.
Princeton subject headings:
Sopranos (Singers)--Italy--Biography.
Zilli, Emma, 1863-1901.