William Preucil, Viola Entered from booking ledger and New York Times concert listing and review. "CONCERT AND OPERA PROGRAMS OF THE WEEK." New York Times (1923-), Jan 31 1960, p. 1. ProQuest. Web. 30 May 2022. Salzman, Eric. "PROGRAM OFFERED BY VIOLA-PIANO DUO." New York Times (1923-), Feb 05 1960, p. 23. ProQuest. Web. 31 May 2022. solo recital 1960-02-04T20:30:00