Sandra Wasser, Soprano Entered from booking ledger and New York Times concert listing and review. Melancon, Louis. "MUSIC PROGRAMS OF THE WEEK." New York Times (1923-Current file), Oct 27, 1957, pp. 1. ProQuest. SANDRA WASSER SINGS." New York Times (1923-Current file), Oct 28, 1957, pp. 30. ProQuest. solo recital 1957-10-27T14:30:00