Entered from New York Times concert listing and review. The review notes that this was the last concert of the initial season of Contemporary Concerts, organized by Mark Brunswick, Roger Sessions and Edward Steuermann. "PROGRAMS OF THE WEEK." New York Times (1923-Current file), Apr 21, 1940, pp. 124. ProQuest. "FAMOUS ARTISTS AT OPERA BENEFIT." New York Times (1923-Current file), Apr 27, 1940, pp. 8. ProQuest.