"Ursula Kwasnicka, Harp" . . "New York Debut\r\nEntered from booking ledger and New York Times concert listing and review.\r\n\"Who Makes Music and Where.\" New York Times (1923-), Oct 13 1968, p. 1. ProQuest. Web. 4 Feb. 2025.\r\nSherman, Robert. \"Ursula Kwasnicka, Harp Contest Winner, is Heard.\" New York Times (1923-), Oct 21 1968, p. 58. ProQuest. Web. 5 Feb. 2025." . "solo recital" . . . . . . . . "1968-10-19T20:30:00"^^ . . .