Entered from booking ledger and New York Times concert listing and review. U.S. PREMIERE of Paul Ben-Haim's PIANO SONATA "CONCERT AND OPERA PROGRAMS FOR THE WEEK: OPERA METROPOLITAN." New York Times (1923-Current file), Nov 11 1956, p. 148. ProQuest. Web. 12 Apr. 2021. "PAULINA RUVINSKA PLAYS NEW SONATA." New York Times (1923-Current file), Nov 18 1956, p. 85. ProQuest. Web. 16 Apr. 2021.