Entered from booking ledger and New York Times concert listing and review.
"CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-Current file), Feb 22 1959, p. 1. ProQuest. Web. 20 June 2020.
Briggs, John. "PIANO DEBUT MADE BY IRENE SCHREIER." New York Times (1923-Current file), Mar 01 1959, p. 79. ProQuest. Web. 20 June 2020.