. . "1971-05-15T20:30:00"^^ . "solo recital" . . . . "Ralph Zeitlin, Recorder" . . . . . "Entered from booking ledger and New York Times concert listing and review.\r\n\"Who Makes Music and Where.\" New York Times (1923-), 09 May 1971, p. 1. ProQuest. Web. 23 Sept. 2025.\r\nDavis, Peter G. \"Zeitlin Plays Sonatas in Recorder Recital.\" New York Times (1923-), 17 May 1971, p. 42. ProQuest. Web. 24 Sept. 2025." . . . .