Columbia subject headings:
Musicians--Correspondence.
Singers.
Viardot-García, Pauline, 1821-1910.
Harvard subject headings:
Princeton subject headings:
Music--United States--History and criticism.
Schoen-René, Anna Eugénie, 1864-1942.
Singers--United States--Biography.
Viardot-García, Pauline, 1821-1910.