. . . . . "New York Debut\r\nEntered from booking ledger and New York Times concert listing and review.\r\n\"THIS WEEK'S CONCERT AND OPERA PROGRAMS.\" New York Times (1923-), Sep 30 1962, p. 1. ProQuest. Web. 21 Aug. 2023.\r\n\"John Wallowitch Makes Piano Debut.\" New York Times (1923-), Oct 06 1962, p. 13. ProQuest. Web. 21 Aug. 2023." . . . "1962-10-05T20:30:00"^^ . . "John Wallowitch, Piano" . "solo recital" .