New York Debut Entered from booking ledger and New York Times concert listing and review. "MUSIC PROGRAMS OF THE WEEK." New York Times (1923-Current file), Jun 07 1959, p. 1. ProQuest. Web. 1 Sep. 2020. Salzman, Eric. "ROY HAMLIN JOHNSON GIVES PIANO RECITAL." New York Times (1923-Current file), Jun 14 1959, p. 32. ProQuest. Web. 1 Sep. 2020.