Dates,"30625990001118_A20_Letter from Leon Frengut to Alfonso D'Artega regarding the Symphony of the Air, April 22, 1955" 2023-05-28,1 2023-05-29,0 2023-05-30,0 2023-05-31,0 2023-06-01,0 2023-06-02,1 2023-06-03,0 2023-06-04,0 2023-06-05,0 2023-06-06,0 2023-06-07,0 2023-06-08,0 2023-06-09,0 2023-06-10,0 2023-06-11,0 2023-06-12,0 2023-06-13,0 2023-06-14,0 2023-06-15,1