. "New York Debut of Vaclav Nelhybel\r\nEntered from booking ledger and New York Times concert listing and review.\r\n\"Programs of the Week.\" New York Times (1923-Current file): 1. Sep 07 1958. ProQuest. Web. 25 June 2015.\r\n\"Nelhybel Conducts Bach Concert Here.\" New York Times (1923-Current file): 20. Sep 12 1958. ProQuest. Web. 25 June 2015." . "All-Bach Chamber Music Concert" . . . . . . . . . . . "chamber music performance" . "1958-09-11T20:30:00"^^ . .