Entered from booking ledger and New York Times concert listing and review. "MUSIC PROGRAMS." New York Times (1923-), Sep 17 1961, p. 1. ProQuest. Web. 22 Dec. 2022. Salzman, Eric. "PIANO QUARTET GIVES PROGRAM: CHAMBER ART GROUP PLAYS AT CARNEGIE RECITAL HALL." New York Times (1923-), Sep 18 1961, p. 37. ProQuest. Web. 22 Dec. 2022.