Maryla Jonas, Piano U.S. Debut Entered from New York Times concert listing and review, program calender, and an advertisement in the 2/19/1946 program. “Programs of the Week.” New York Times [New York, N.Y., United States], 24 Feb. 1946, p. 51. Arts & Leisure. ProQuest. "Miss Jonas, Pianist, Makes Her U.S. Debut." New York Times 26 Feb 1946: 31. Print. solo recital 1946-02-25T20:30:00