. . . . . "duo recital" . . . . "Entered from booking ledger and New York Times concert listing and review.\r\n\"Who Makes Music and Where.\" New York Times (1923-), May 19 1968, p. 1. ProQuest. Web. 7 Jan. 2025.\r\nHenahan, Donal. \"TWO YOUNG WOMEN GIVE ZESTY RECITAL.\" New York Times (1923-), May 21 1968, p. 42. ProQuest. Web. 7 Jan. 2025." . "1968-05-20T20:15:00"^^ . "Christina Petrowsky, Piano, and Jeanne Patterson, Flute" . .