Columbia subject headings:
Harvard subject headings:
Academy of Music (New York, N.Y.)--History.
Mapleson, James Henry, 1830-1901.
Metropolitan Opera (New York, N.Y.)
Opera--New York (State)--New York
Princeton subject headings:
Academy of Music (New York, N.Y.)--History.
Mapleson, James Henry, 1830-1901.
Metropolitan Opera (New York, N.Y.)
Opera--New York (State)--New York.