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), Nov 02 1958, p. 1. ProQuest. Web. 3 June 2020. Briggs, John. "GRISOLIA PRESENTS A RECITAL ON PIANO." New York Times (1923-Current file), Nov 08 1958, p. 15. ProQuest. Web. 3 June 2020.