Thelma Tobitt, Soprano Entered from booking ledger and New York Times review. "CONCERT AND OPERA PROGRAMS FOR THE WEEK: OPERA METROPOLITAN." New York Times (1923-Current file), Jan 22 1956, p. 100. ProQuest. Web. 12 Nov. 2020. "Thelma Tobitt Sings Demanding Program." New York Times (1923-Current file), Jan 23 1956, p. 22. ProQuest. Web. 12 Nov. 2020. 1956-01-22T17:30:00