Entered from New York Times concert listing and review. "PROGRAMS OF THE WEEK." New York Times (1923-), 21 Apr. 1940, p. 124. ProQuest. Web. 14 Aug. 2025. "ARVIDA VALDANE RECITAL." New York Times (1923-), 23 Apr. 1940, p. 25. ProQuest. Web. 14 Aug. 2025.