Entered from booking ledger and New York Times concert listing and review.
"CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-), Aug 24 1958, p. 1. ProQuest. Web. 22 Dec. 2021.
Briggs, John. "BEAUX ARTS GROUP OFFERS A CONCERT: QUARTET OPENS 9TH INTERVAL SERIES IN RECITAL HALL -- OVERTON SCORE HEARD." New York Times (1923-), Aug 28 1958, p. 18. ProQuest. Web. 22 Dec. 2021.