Entered from booking ledger and New York Times concert listing and review. "'MUSIC PROGRAMS: EVENTS IN NEW YORK CITY." New York Times (1923-), Sep 14 1958, p. 1. ProQuest. Web. 23 Dec. 2021. Briggs, John. "CONCERT OFFERED BY CHAMBER TRIO: CLARINETIST, PIANIST AND VIOLA-VIOLIN PLAYER PERFORM IN INTERVAL SERIES." New York Times (1923-), Sep 17 1958, p. 44. ProQuest. Web. 23 Dec. 2021.