. . . "U.S. Debut of Berit Lindholm\r\nHenahan, Donal. \"Stokowski Concert Introduces Wagnerian Soprano of Promise.\" New York Times (1923-), 08 Dec. 1969, p. 65. ProQuest. Web. 23 June 2025." . . . . "American Symphony Orchestra" . . "symphony orchestra performance" . "1969-12-07T15:00:00"^^ . . . . . . .