Columbia subject headings:
Actresses--Biography.
Bernhardt, Sarah, 1844-1923.
Duse, Eleonora, 1858-1924.
Ziegler, Clara, 1844-1909.
Harvard subject headings:
Bernhardt, Sarah, 1844-1923.
Duse, Eleonora, 1858-1924.
Ziegler, Clara.
Princeton subject headings:
Actresses--Biography.
Bernhardt, Sarah, 1844-1923--Biography.
Duse, Eleonora, 1858-1924--Biography.
Ziegler, Clara, 1844-1909--Biography.