Entered from program calender, advertisement in 2/10/1946 program, and New York Times concert listing and review. "Opera and Concert Programs." New York Times (1923-Current file) Feb 10 1946: 49. ProQuest. 16 Sep. 2013. "Vassily Zavadsky Piano Recital." New York Times (1923-Current file) Feb 16 1946: 9. ProQuest. 16 Sep. 2013.