Metropolitan Opera annals, second supplement: 1957-1966: a chronicle of artists and performances - Seltsam, William H.; Metropolitan Opera (New York, N.Y.) (H.W. Wilson : In association with the Metropolitan Opera Guild, 1968)
Keywords: Concert programs. / http://id.loc.gov/authorities/subjects/sh85030622; Opera / New York (State) / New York. / http://id.loc.gov/authorities/subjects/sh2008108655