Entered from booking ledger and New York Times concert listing and review.
"CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-Current file), May 17 1959, p. 1. ProQuest. Web. 26 Aug. 2020.
Parmenter, Ross. "Music: Favors Returned: Dorothy Renzi, Friend of Contemporary Composers, Aided by 4 in Recital." New York Times (1923-Current file), May 19 1959, p. 28. ProQuest. Web. 28 Aug. 2020.