Doris Lor, Soprano New York Debut Entered from booking ledger and New York Times concert listing and review. No accompanist is named. "CONCERT AND OPERA PROGRAMS." New York Times (1923-Current file), Apr 14 1957, p. 1. ProQuest. Web. 22 July 2021. "Doris Lor, Soprano, has Debut." New York Times (1923-Current file), Apr 15 1957, p. 23. ProQuest. Web. 22 July 2021. solo recital 1957-04-14T17:30:00