Entered from advertisement in 4/9/1945 program and newspaper articles announcing cancellation of 4/12/1945 concert (due to death of President Roosevelt). Program was altered in honor of President Roosevelt's memory. "Philharmonic Cancels 2d Concert in History." New York Times (1923-Current file) Apr 13 1945: 8. ProQuest. 10 Sep. 2013. "Philharmonic Changes Program." New York Times (1923-Current file) Apr 12 1945: 19. ProQuest. 10 Sep. 2013.