"All-Beethoven Program\r\nEntered from program calendar and New York Times concert listing.\r\n\"Concert and Opera Programs of the Week.\" New York Times (1923-Current file): 1. Apr 05 1953. ProQuest. Web. 26 Aug. 2014." . . . "1953-04-05T17:30:00"^^ . . "Maria Eugenia Sobol, Piano" . . . . . "solo recital" .