Kathe Schoenberg, Mezzo-Soprano Entered from booking ledger and New York Times concert listing and review. “Jazz/Rock/Folk/Pop: Who Makes Music and Where.” New York Times [New York, N.Y., United States], 8 Apr. 1973, p. 173. AL. Sherman, Robert. "Kathe Schoenberg, Mezzo, Sings Program." New York Times (1923-), 16 Apr. 1973, p. 49. ProQuest. Web. 16 Jan. 2026. solo recital 1973-04-14T20:00:00