"chamber music performance" . . "League of Composers Concert" . . . . . . . "1954-05-09T20:30:00"^^ . "Entered from New York Times review and calendar in 5/8/1954 MH bound program.\r\n\"Haieff Selection Has Its Premiere.\" New York Times, May 10, 1954, pg. 20. Print.\r\nWORLD PREMIERE of Alexei Haieff's ECLOGUE, \"LA NOUVELLE HELOISE\"\r\nWORLD PREMIERE of William Flanagan's THE WEEPING PLEIADES\r\nNEW YORK PREMIERE of Ernst Toch's STRING QUARTET NO. 13, OP. 74\r\n" .