Columbia subject headings:
Harvard subject headings:
Calvé, Emma, 1858-1942.
Eames, Emma, 1865-1952
Farrar, Geraldine, 1882-1967
Lehmann, Lilli, 1848-1929
Melba, Nellie, Dame, 1861-1931.
Nordica, Lillian, 1857-1914
Operas
Sembrich, Marcella, 1858-1935.
Singers
Princeton subject headings:
Calvé, Emma, 1858-1942.
Eames, Emma, 1865-
Farrar, Geraldine.
Lehmann, Lilli, 1848-1929.
Melba, Nellie, Dame, 1861-1931.
Nordica, Lillian, 1859-1914.
Operas.
Sembrich, Marcella, 1858-1935.
Singers.